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圖表highcharts聯合jquery ajax 后端取數據前端圖表渲染

發布時間:2020-07-09 21:32:50 來源:網絡 閱讀:17530 作者:rfyiamcool 欄目:web開發

Highcharts是一個制作圖表的純Javascript類庫,主要特性如下:

  • 兼容性:兼容當今所有的瀏覽器,包括iPhone、IE和火狐等等;

  • 對個人用戶完全免費;

  • 純JS,無BS;

  • 支持大部分的圖表類型:直線圖,曲線圖、區域圖、區域曲線圖、柱狀圖、餅裝圖、散布圖;

  • 跨語言:不管是PHP、Asp.net還是Java都可以使用,它只需要三個文件:一個是Highcharts的核心文件highcharts.js,還有a canvas emulator for IE和Jquery類庫或者MooTools類庫;

  • 提示功能:鼠標移動到圖表的某一點上有提示信息;

  • 放大功能:選中圖表部分放大,近距離觀察圖表;

  • 易用性:無需要特殊的開發技能,只需要設置一下選項就可以制作適合自己的圖表;

  • 時間軸:可以精確到毫秒;


Highcharts提供大量的選項配置參數,您可以輕松定制符合用戶要求的圖表,目前官網只提供英文版的開發配置說明文檔,而中文版的文檔網上甚少,且零散不全。這里,我把Highcharts常用的最核心的參數選項配置整理成文檔,與大家分享。

Chart:圖表區選項

Chart圖表區選項用于設置圖表區相關屬性。

參數描述默認值
backgroundColor設置圖表區背景色#FFFFFF
borderWidth設置圖表邊框寬度0
borderRadius設置圖表邊框圓角角度5
renderTo圖表放置的容器,一般在html中放置一個DIV,獲取DIV的id屬性值null
defaultSeriesType默認圖表類型line, spline, area, areaspline, column, bar, pie , scatter0
width圖表寬度,默認根據圖表容器自適應寬度null
height圖表高度,默認根據圖表容器自適應高度null
margin設置圖表與其他元素之間的間距,數組,如[0,0,0,0][null]
plotBackgroundColor主圖表區背景色,即X軸與Y軸圍成的區域的背景色null
plotBorderColor主圖表區邊框的顏色,即X軸與Y軸圍成的區域的邊框顏色null
plotBorderWidth主圖表區邊框的寬度0
shadow是否設置陰影,需要設置背景色backgroundColor。false
reflow是否自使用圖表區域高度和寬度,如果沒有設置width和height時,會自適應大小。true
zoomType拖動鼠標進行縮放,沿x軸或y軸進行縮放,可以設置為:'x','y','xy'''
events事件回調,支持addSeries方法,click方法,load方法,selection方法等的回調函數。
Color:顏色選項

Color顏色選項用于設置圖表的顏色方案。

參數描述默認值
color用于展示圖表,折線/柱狀/餅狀等圖的顏色,數組形式。array

Highcharts已經默認提供了多種顏色方案,當要顯示的圖形多于顏色種類時,多出的圖形會自動從第一種顏色方案開始選取。自定義顏色方案的方法:


Highcharts.setOptions({
   colors: ['#058DC7', '#50B432', '#ED561B', '#DDDF00', '#24CBE5', '#64E572', '#FF9655',
'#FFF263', '#6AF9C4']
});
Title:標題選項

Title標題選項用于設置圖表的標題相關屬性。

參數描述默認值
text標題文本內容。Chart title
align水平對齊方式。center
verticalAlign垂直對齊方式。top
margin標題與副標題之間或者主圖表區間的間距。15
floating是否浮動,如果為true,則標題可以偏離主圖表區,可配合x,y屬性使用。false
style設置CSS樣式。{color: '#3E576F',
fontSize: '16px'}
Subtitle:副標題選項

副標題提供的屬性選項與標題title大致相同,可參照上述標題選項,值得一提的是副標題的text選項默認為'',即空的,所以默認情況下副標題不顯示。

xAxis:X軸選項

X軸選項用于設置圖表X軸相關屬性。

參數描述默認值
categories設置X軸分類名稱,數組,例如:categories: ['Apples', 'Bananas', 'Oranges'][]
titleX軸名稱,支持text、enabled、align、rotation、style等屬性
labels設置X軸各分類名稱的樣式style,格式formatter,角度rotation等。array
maxX軸最大值(categories為空時),如果為null,則最大值會根據X軸數據自動匹配一個最大值。null
minX軸最小值(categories為空時),如果為null,則最小值會根據X軸數據自動匹配一個最小值。array
gridLineColor網格(豎線)顏色#C0C0C0
gridLineWidth網格(豎線)寬度1
lineColor基線顏色#C0D0E0
lineWidth基線寬度0
yAxis:Y軸選項

Y軸選項與上述xAxis選項基本一致,請參照上表中的參數設置,不再單獨列出。

Series:數據列選項

數據列選項用于設置圖表中要展示的數據相關的屬性。

參數描述默認值
data顯示在圖表中的數據列,可以為數組或者JSON格式的數據。如:data:[0, 5, 3, 5],或
data: [{name: 'Point 1',y: 0}, {name: 'Point 2',y: 5}]
''
name顯示數據列的名稱。''
type數據列類型,支持 area, areaspline, bar, column, line, pie, scatter or splineline
plotOptions:數據點選項

plotOptions用于設置圖表中的數據點相關屬性。plotOptions根據各種圖表類型,其屬性設置略微有些差異,現將常用選項列出來。

參數描述默認值
enabled是否在數據點上直接顯示數據false
allowPointSelect是否允許使用鼠標選中數據點false
formatter回調函數,格式化數據顯示內容formatter: function() {return this.y;}
Tooltip:數據點提示框

Tooltip用于設置當鼠標滑向數據點時顯示的提示框信息。

參數描述默認值
enabled是否顯示提示框true
backgroundColor設置提示框的背景色rgba(255, 255, 255, .85)
borderColor提示框邊框顏色,默認自動匹配數據列的顏色auto
borderRadius提示框圓角度5
shadow是否顯示提示框陰影true
style設置提示框內容樣式,如字體顏色等color:'#333'
formatter回調函數,用于格式化輸出提示框的顯示內容。返回的內容支持html標簽如:<b>, <strong>, <i>, <em>, <br/>, <span>2
Legend:圖例選項

legend用于設置圖例相關屬性。

參數描述默認值
layout顯示形式,支持水平horizontal和垂直verticalhorizontal
align對齊方式。center
backgroundColor圖例背景色。null
borderColor圖例邊框顏色。#909090
borderRadius圖例邊框角度5
enabled是否顯示圖例true
floating是否可以浮動,配合x,y屬性。false
shadow是否顯示陰影false
style設置圖例內容樣式''



第一個例子:


這個是從后端api取值,后端再從數據庫里取值。

為了不讓整個頁面刷新,用了ajax做局部刷新


圖表highcharts聯合jquery ajax 后端取數據前端圖表渲染


圖表highcharts聯合jquery ajax 后端取數據前端圖表渲染


$(function () {
    $(document).ready(function () {
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                               
        ////////
        // Mysql Questions
        ////////
        var mysqlQuestionsOptions = {
            chart: {
                renderTo: 'mysql-questions-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'per second'
                }, min: 0
            },
            series: [{
                name: 'Select'
            },{
                name: 'Insert'
            },{
                name: 'Replace'
            },{
                name: 'Update'
            },{
                name: 'Delete'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/questions',
            dataType: "json",
            success: function (data) {
                //init series arays
                select_arr = [];
                insert_arr = [];
                replace_arr = [];
                update_arr = [];
                delete_arr =[];
                for (i in data) {
                    //build
                    var r = data[i];
                    select_arr.push([r.ts, r.Select_per_second]);
                    insert_arr.push([r.ts, r.Insert_per_second]);
                    replace_arr.push([r.ts, r.Replace_per_second]);
                    update_arr.push([r.ts, r.Update_per_second]);
                    delete_arr.push([r.ts, r.Delete_per_second]);
                }
                //save series
                mysqlQuestionsOptions.series[0].data = select_arr;
                mysqlQuestionsOptions.series[1].data = insert_arr;
                mysqlQuestionsOptions.series[2].data = replace_arr;
                mysqlQuestionsOptions.series[3].data = update_arr;
                mysqlQuestionsOptions.series[4].data = delete_arr;
                                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                         
                var chart = new Highcharts.Chart(mysqlQuestionsOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Select Sort
        ////////
        var mysqlSelectSortOptions = {
            chart: {
                renderTo: 'mysql-select-sort-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'per second'
                }, min: 0
            },
            series: [{
                name: 'Select Scan'
            },{
                name: 'Select Range'
            },{
                name: 'Select Full Join'
            },{
                name: 'Select Range Check'
            },{
                name: 'Select Full Range Join'
            },{
                name: 'Sort Scan'
            },{
                name: 'Sort Range'
            },{
                name: 'Sort Merge Passes'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/select_sort',
            dataType: "json",
            success: function (data) {
                //init series arays
                select_scan_arr = [];
                select_range_arr = [];
                select_full_join_arr = [];
                select_range_check_arr = [];
                select_full_range_join_arr =[];
                sort_scan_arr =[];
                sort_range_arr =[];
                sort_merge_passes_arr =[];
                for (i in data) {
                    //build
                    var r = data[i];
                    select_scan_arr.push([r.ts, r.Select_scan_per_sec]);
                    select_range_arr.push([r.ts, r.Select_range_per_sec]);
                    select_full_join_arr.push([r.ts, r.Select_full_join_per_sec]);
                    select_range_check_arr.push([r.ts, r.Select_range_check_per_sec]);
                    select_full_range_join_arr.push([r.ts, r.Select_full_range_join_per_sec]);
                    sort_scan_arr.push([r.ts, r.Sort_scan_per_sec]);
                    sort_range_arr.push([r.ts, r.Sort_range_per_sec]);
                    sort_merge_passes_arr.push([r.ts, r.Sort_merge_passes_per_sec]);
                                                                                                                                                                                                                                                                                         
                                                                                                                                                                                                                                                                                           
                }
                //save series
                mysqlSelectSortOptions.series[0].data = select_scan_arr;
                mysqlSelectSortOptions.series[1].data = select_range_arr;
                mysqlSelectSortOptions.series[2].data = select_full_join_arr;
                mysqlSelectSortOptions.series[3].data = select_range_check_arr;
                mysqlSelectSortOptions.series[4].data = select_full_range_join_arr;
                mysqlSelectSortOptions.series[5].data = sort_scan_arr;
                mysqlSelectSortOptions.series[6].data = sort_range_arr;
                mysqlSelectSortOptions.series[7].data = sort_merge_passes_arr;
                                                                                                                                                                                                                                                                                     
                var chart = new Highcharts.Chart(mysqlSelectSortOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Connections
        ////////
        var mysqlConnectionsOptions = {
            chart: {
                renderTo: 'mysql-connections-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: [{
                title: {
                    text: 'per second'
                }, min: 0
            },{
                title: {
                    text: 'count'
                }, min: 0,
                opposite: true
            }],
            series: [{
                name: 'Max Connections',
                yAxis : 1, type: 'area'
            },{
                name: 'Max Used Connections',
                yAxis : 1,  type: 'area'
            },{
                name: 'Process Count',
                yAxis : 1,  type: 'area'
            },{
                name: 'Running Process Count',
                yAxis : 1
            },{
                name: 'Connection Rate',
                yAxis : 0
            },{
                name: 'Aborted connects Rate',
                yAxis : 0
            },{
                name: 'Aborted clients Rate',
                yAxis : 0
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/connections',
            dataType: "json",
            success: function (data) {
                //init series arays
                connections_arr = [];
                aborted_connects_arr = [];
                aborted_clients_arr = [];
                max_used_connections_arr = [];
                max_connections_arr =[];
                process_count_arr = [];
                running_process_count_arr =[];
                for (i in data) {
                    //build
                    var r = data[i];
                    connections_arr.push([r.ts, r.Connections_per_second]);
                    aborted_connects_arr.push([r.ts, r.Aborted_connects_per_second]);
                    aborted_clients_arr.push([r.ts, r.Aborted_clients_per_second]);
                    max_used_connections_arr.push([r.ts, r.max_used_connections]);
                    max_connections_arr.push([r.ts, r.max_connections]);
                    process_count_arr.push([r.ts, r.process_count]);
                    running_process_count_arr.push([r.ts, r.process_count_non_sleep]);       
                }
                //save series
                mysqlConnectionsOptions.series[4].data = connections_arr;
                mysqlConnectionsOptions.series[5].data = aborted_connects_arr;
                mysqlConnectionsOptions.series[6].data = aborted_clients_arr;
                mysqlConnectionsOptions.series[0].data = max_connections_arr;
                mysqlConnectionsOptions.series[1].data = max_used_connections_arr;
                mysqlConnectionsOptions.series[2].data = process_count_arr;
                mysqlConnectionsOptions.series[3].data = running_process_count_arr;
                                                                                                                                                                                                                                                                                         
                var chart = new Highcharts.Chart(mysqlConnectionsOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Bytes
        ////////
        var mysqlBytesOptions = {
            chart: {
                renderTo: 'mysql-bytes-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'kBps'
                }, min: 0
            },
            series: [{
                name: 'Sent'
            },{
                name: 'Recieved'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/bytes',
            dataType: "json",
            success: function (data) {
                //init series arays
                sent = [];
                recieved =[];
                for (i in data) {
                    //build
                    var r = data[i];
                    sent.push([r.ts, r.kBps_sent]);
                    recieved.push([r.ts, r.kBps_recieved]);
                }
                //save series
                mysqlBytesOptions.series[0].data = sent;
                mysqlBytesOptions.series[1].data = recieved;
                var chart = new Highcharts.Chart(mysqlBytesOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Temp
        ////////
        var mysqlTempOptions = {
            chart: {
                renderTo: 'mysql-temp-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'per minute'
                }, min: 0
            },
            series: [{
                name: 'Created Tmp Disk Tables'
            },{
                name: 'Created Tmp Tables'
            },{
                name: 'Created Tmp Files'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/temp',
            dataType: "json",
            success: function (data) {
                //init series arays
                tmp_disk_tables = [];
                tmp_tables = [];
                tmp_files = [];
                for (i in data) {
                    //build
                    var r = data[i];
                    tmp_disk_tables.push([r.ts, r.Created_tmp_disk_tables_per_min]);
                    tmp_tables.push([r.ts, r.Created_tmp_tables_per_min]);
                    tmp_files.push([r.ts, r.Created_tmp_files_per_min]);
                                                                                                                                                                                                                                                                                         
                }
                //save series
                mysqlTempOptions.series[0].data = tmp_disk_tables;
                mysqlTempOptions.series[1].data = tmp_tables;
                mysqlTempOptions.series[2].data = tmp_files;
                var chart = new Highcharts.Chart(mysqlTempOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Table Locks
        ////////
        var mysqlTableLocksOptions = {
            chart: {
                renderTo: 'mysql-table-locks-container',
                type: 'spline'
            },
            title: {
                text: '',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'per second'
                }, min: 0
            },
            series: [{
                name: 'Table locks wait'
            },{
                name: 'Table locks immediate'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/table_locks',
            dataType: "json",
            success: function (data) {
                //init series arays
                wait = [];
                immediate = [];
                for (i in data) {
                    //build
                    var r = data[i];
                    wait.push([r.ts, r.Table_locks_wait_per_sec]);
                    immediate.push([r.ts, r.Table_locks_immediate_per_sec]);
                }
                //save series
                mysqlTableLocksOptions.series[0].data = wait;
                mysqlTableLocksOptions.series[1].data = immediate;
                var chart = new Highcharts.Chart(mysqlTableLocksOptions);
            },
            cache: false
        });
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Innodb Buffer Pool Usage
        ////////
        var mysqlInnoDBBPOptions = {
            chart: {
                renderTo: 'mysql-innodb-bp-container',
                type: 'area'
            },
            title: {
                text: 'Buffer Pool Usage',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: [{
                title: {
                    text: 'MBytes'
                }, min: 0
            },{
             title: {
                    text: 'Hit Rate %'
                }, min: 0,  max: 100, opposite: true
            }],
            series: [{
                name: 'Buffer Pool Total'
            },{
                name: 'Buffer Pool Used'
            },{
                name: 'Read Hit Rate', type: 'spline', yAxis: 1
            }]
        };
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
        ////////
        // Mysql Innodb
        ////////
        var mysqlInnoDBOptions = {
            chart: {
                renderTo: 'mysql-innodb-container',
                type: 'spline'
            },
            title: {
                text: 'InnoDB Stats',
                x: -20 //center
            },
            xAxis: {
                type: 'datetime'
            },
            yAxis: {
                title: {
                    text: 'per second'
                }, min: 0
            },
            series: [{
                name: 'Buffer Pool Read Request'
            },{
                name: 'Buffer Pool Reads'
            },{
                name: 'Buffer Pool Read Ahead Rnd'
            },{
                name: 'Buffer Pool Read Ahead Seq'
            },{
                name: 'Buffer Pool Write Request'
            },{
                name: 'Buffer Pool Pages Flushed'
            },{
                name: 'Buffer Pool Wait Free'
            },{
                name: 'Row Lock Waits'
            },{
                name: 'Data Reads'
            },{
                name: 'Data Writes'
            },{
                name: 'Data Fsyncs'
            },{
                name: 'Pages Created'
            },{
                name: 'Pages Read'
            },{
                name: 'Pages Written'
            },{
                name: 'Rows Deleted'
            },{
                name: 'Rows Inserted'
            },{
                name: 'Rows Read'
            },{
                name: 'Rows Updated'
            }]
        };
                                                                                                                                                                                                                                                                                 
        $.ajax({
            url: 'stats/mysql/innodb',
            dataType: "json",
            success: function (data) {
                //init series arays
                bp_used = [];
                bp_total = [];
                bp_read_ratio = [];
                bp_read_requests = [];
                bp_reads = []
                bp_read_rnd = [];
                bp_read_seq = [];
                bp_write_req = [];
                bp_pages_flush = [];
                bp_wait_free = [];
                row_lock_waits = [];
                data_reads = [];
                data_write = [];
                data_fsyncs = [];
                pages_created = [];
                pages_read = [];
                pages_written = [];
                rows_deleted = [];
                rows_inserted = [];
                rows_read = [];
                rows_updated = [];
                for (i in data) {
                    //build
                    var r = data[i];
                    bp_used.push([r.ts, r.Innodb_buffer_pool_used_mb]);
                    bp_total.push([r.ts, r.Innodb_buffer_pool_total_mb]);
                    bp_read_ratio.push([r.ts, r.Innodb_buffer_pool_read_ratio]);
                    bp_read_requests.push([r.ts, r.Innodb_buffer_pool_read_requests_per_second]);
                    bp_reads.push([r.ts, r.Innodb_buffer_pool_reads_per_second]);
                    bp_read_rnd.push([r.ts, r.Innodb_buffer_pool_read_ahead_rnd_per_second]);
                    bp_read_seq.push([r.ts, r.Innodb_buffer_pool_read_ahead_seq_per_second]);
                    bp_write_req.push([r.ts, r.Innodb_buffer_pool_write_requests_per_second]);
                    bp_pages_flush.push([r.ts, r.Innodb_buffer_pool_pages_flushed_per_second]);
                    bp_wait_free.push([r.ts, r.Innodb_buffer_pool_wait_free_per_second]);
                    row_lock_waits.push([r.ts, r.Innodb_row_lock_waits_per_second]);
                    data_reads.push([r.ts, r.Innodb_data_reads_per_second]);
                    data_write.push([r.ts, r.Innodb_data_writes_per_second]);
                    data_fsyncs.push([r.ts, r.Innodb_data_fsyncs_per_second]);
                    pages_created.push([r.ts, r.Innodb_pages_created_per_second]);
                    pages_read.push([r.ts, r.Innodb_pages_read_per_second]);
                    pages_written.push([r.ts, r.Innodb_pages_written_per_second]);
                    rows_deleted.push([r.ts, r.Innodb_rows_deleted_per_second]);
                    rows_inserted.push([r.ts, r.Innodb_rows_inserted_per_second]);
                    rows_read.push([r.ts, r.Innodb_rows_read_per_second]);
                    rows_updated.push([r.ts, r.Innodb_rows_updated_per_second]);
                                                                                                                                                                                                                                                                                            
                }
                //save series
                mysqlInnoDBBPOptions.series[1].data = bp_used;
                mysqlInnoDBBPOptions.series[0].data = bp_total;
                mysqlInnoDBBPOptions.series[2].data =  bp_read_ratio;
                                                                                                                                                                                                                                                                                         
                mysqlInnoDBOptions.series[0].data = bp_read_requests;
                mysqlInnoDBOptions.series[1].data = bp_reads;
                mysqlInnoDBOptions.series[2].data = bp_read_rnd;
                mysqlInnoDBOptions.series[3].data = bp_read_seq;
                mysqlInnoDBOptions.series[4].data = bp_write_req;
                mysqlInnoDBOptions.series[5].data = bp_pages_flush;
                mysqlInnoDBOptions.series[6].data = bp_wait_free;
                mysqlInnoDBOptions.series[7].data = row_lock_waits;
                mysqlInnoDBOptions.series[8].data = data_reads;
                mysqlInnoDBOptions.series[9].data = data_write;
                mysqlInnoDBOptions.series[10].data = data_fsyncs;
                mysqlInnoDBOptions.series[11].data = pages_created;
                mysqlInnoDBOptions.series[12].data = pages_read;
                mysqlInnoDBOptions.series[13].data = pages_written;
                mysqlInnoDBOptions.series[14].data = rows_deleted;
                mysqlInnoDBOptions.series[15].data = rows_inserted;
                mysqlInnoDBOptions.series[16].data = rows_updated;
                                                                                                                                                                                                                                                                                         
                var chart = new Highcharts.Chart(mysqlInnoDBBPOptions);
                chart = new Highcharts.Chart(mysqlInnoDBOptions);
            },
            cache: false
        });
    });
});
$(document).scroll(function(){
    // If has not activated (has no attribute "data-top"
    if (!$('.subnav').attr('data-top')) {
        // If already fixed, then do nothing
        if ($('.subnav').hasClass('subnav-fixed')) return;
        // Remember top position
        var offset = $('.subnav').offset();
        $('.subnav').attr('data-top', offset.top);
    }
    if ($('.subnav').attr('data-top') - $('.subnav').outerHeight() <= $(this).scrollTop())
        $('.subnav').addClass('subnav-fixed');
    else
        $('.subnav').removeClass('subnav-fixed');
});



第二個例子


這個和前面是一樣的方式,這里做了多個引用,也就是可以畫多條線路

這個圖不是我這的,但下面的代碼是行的通的,可以放到一個js里面引用,然后通過ajax傳值過去,在前端進行數據的渲染。


圖表highcharts聯合jquery ajax 后端取數據前端圖表渲染



var charts = new Array();
        var serverCount = 6;
        var lastTimes = new Array();
        var max = ${params.int("max")?:120};
        $(document).ready(function() {
            Highcharts.setOptions({
                global: {
                    useUTC: false
                }
            });
            for (var i = 0; i < serverCount; i++) {
                charts[i] = new Highcharts.Chart({
                    chart: {
                        renderTo: 'container' + i,
                        type: 'spline',
                        events: {
                            load: function() {
                                // set up the updating of the chart each second
                                var series = this.series;
                                var serverIndex = i;
                                lastTimes[serverIndex] = 0;
                                var loadData = function() {
                                                                        $.getJSON("http://${request.serverName}:${request.serverPort}${request.contextPath}/toolkits/queryStatistics.gsp", {"lasTime":lastTimes[serverIndex],"proxy":true,"index":serverIndex,"max":max}, function(data) {
                                        for (var k = 0; k < series.length; k++) {
                                            for (var j = 0; j < data[k].length; j++) {
                                                var point = data[k][j];
                                                var isShift = series[k].data.length >= max;
                                                console.log("series " + k + ".data.length=" + series[k].data.length);
                                                var lastTime = 0;
                                                if (series[k].data.length > 0)
                                                    lastTime = series[k].data[series[k].data.length - 1].x;
                                                if (point[0] > lastTime)
                                                    series[k].addPoint([point[0],point[1]], true, isShift);
                                                lastTimes[serverIndex] = point[0];
                                            }
                                        }
                                    })
                                };
                                loadData();
                                setInterval(loadData, 60000);
                            }
                        }
                    },
                    title: {
                        text: '訪問量實時監控'
                    },
                    xAxis: [
                        {
                            type: 'datetime',
                            tickPixelInterval: 120
                        }
                    ],
                    yAxis: [
                        {
                            title: {
                                text: '總請求/分鐘',
                                style: {
                                    color: '#3E576F'
                                }
                            }
                        },
                        {
                            title: {
                                text: '平均響應時間',
                                style: {
                                    color: '#00AA00'
                                }
                            },opposite:true
                        }
                    ],
                    plotOptions: {
                        spline: {
                            marker:{
                                enabled: false,
                                states: {
                                    hover: {
                                        enabled: true,
                                        symbol: 'circle',
                                        radius: 5,
                                        lineWidth: 1
                                    }
                                }
                            }
                        }
                    },
                    tooltip: {
                        formatter: function() {
                            return '<b>' + this.series.name + '</b><br/>' +
                                    Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '<br/>' +
                                    Highcharts.numberFormat(this.y, 2);
                        }
                    },
                    legend: {
                        enabled: true
                    },
                    exporting: {
                        enabled: false
                    },
                    series: [
                        {
                            name: '總請求數',
                            data: []
                        },
                        {
                            name: '錯誤請求數',
                            data: []
                        },
                        {
                            name: '平均響應時間',
                            yAxis:1,
                            data: []
                        }
                    ]
                });
            }
        })








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