getEchart.js
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/* 目前按照数据来源及图表组合方式分三种类型
1:完全由服务端查询结果组装图表，服务器端查询结果+图形组装
2:多数据结果，返回至客户端进行组装图表，服务器端分散查询结果+客户端组装
3：客户端现成数据，加载以后进行组装图表，客户端数据加载进行组装
*/
//参数：数据组装类型，X轴内容、统计项、图表名称、图表类型、where条件
var xAxisName = "";
var legendName = "";
var chartTitle = "";
var chartType = "";
var whereStr = "";
var grid ;
var option;
var myChart;
var chartlegendValue = "";
var chartxAxisValue = "";
var chartseriesValue = "";
var chartValue = "";
// 基于准备好的dom，初始化echarts图表
(function($) {
require.config({
paths: {
echarts: './echart'
}
});
})
// X轴内容（字段名:字段类型:日期格式:orderby）、legend内容（格式同X轴）、图表标题、图表类型、where查询条件、url、grid，div
function getEchart_server(xAxisName,legendName,chartTitle,chartType,whereStr,url,grid,divName,line,dataTime){
// grid = grid;
$.ajax({
type:'post',
url : url,
data: [
{ name: 'xAxisName', value: xAxisName },// x轴内容字段名:字段类型:日期格式:orderby
// //"accident_date:date:yyyy"
{ name: 'legendName', value: legendName },// 统计字段名:字段类型:日期格式:orderby
{ name: 'chartTitle', value: chartTitle },
{ name: 'chartType', value: chartType },
{ name: 'whereStr', value: whereStr },
{ name: 'line', value: line},
{ name: 'dataTime', value: dataTime}
],
success : function(data) {
// // 统计表
// grid.set('data', {
// dataList : data.dataList
// });
// 统计图
option = eval('(' + data.option + ')');
require(
[
'echarts',
'echarts/chart/line', // 按需加载所需图表，如需动态类型切换功能，别忘了同时加载相应图表
'echarts/chart/bar',
'echarts/chart/pie',
'echarts/chart/funnel'
], DrawEChart // 异步加载的回调函数绘制图表
);
function DrawEChart(ec) {
myChart = ec.init(document.getElementById(divName));
myChart.setOption(option);
}
},
error : function(message) {
console.log(message);
}
});
}
//end
// 客户端处理,数据是json格式
function getEchart_client(data,chartTitle,chartType,divName){
// 统计图
require(
[
'echarts',
'echarts/chart/line', // 按需加载所需图表，如需动态类型切换功能，别忘了同时加载相应图表
'echarts/chart/bar',
'echarts/chart/pie',
'echarts/chart/funnel'
], DrawEChart // 异步加载的回调函数绘制图表
);
function DrawEChart(ec) {
myChart = ec.init(document.getElementById(divName));
option = graphConfig(data,chartType,chartTitle);
myChart.setOption(option);
}
}
//////////////////数据格式化////////////////////////
function FormateData(data,chartType,chartTitle) {
var xAxis = [];
var group = [];
var series = [];
if(data[0].group=='undefined'||data[0].group=='' ||data[0].group==null){
/////////////////单个分组的数据源，如饼图、柱形图等/////////////////////////////
var dataTemp = [];
var seriesTemp = [];
for (var i = 0; i < data.length; i++) {
group.push(data[i].name || "");
seriesTemp.push({ name: data[i].name, value: data[i].value || 0 });
dataTemp.push(data[i].value || 0 );
}
switch (chartType) {
case 'pie':
series = seriesTemp;
break;
default:
series.push({ type:chartType, data: dataTemp });
}
return { category: "", xAxis: group, series: series };
}else{
/////////////////多个分组的数据源/////////////////////////////
for (var i = 0; i < data.length; i++) {
for (var j = 0; j < xAxis.length && xAxis[j] != data[i].name; j++);
if (j == xAxis.length)
xAxis.push(data[i].name);
for (var k = 0; k < group.length && group[k] != data[i].group; k++);
if (k == group.length)
group.push(data[i].group);
}
for (var i = 0; i < group.length; i++) {
var temp = [];
for (var j = 0; j < data.length; j++) {
if (group[i] == data[j].group) {
temp.push(data[j].value);
}
}
switch (chartType) {
case 'bar':
var series_temp = { name: group[i], data: temp, type: chartType };
break;
case 'line':
var series_temp = { name: group[i], data: temp, type: chartType };
break;
default:
var series_temp = { name: group[i], data: temp, type: chartType };
}
series.push(series_temp);
}
return { category: group, xAxis: xAxis, series: series };
}
}
// //////////////////////图形配置/////////////////////////////////
function graphConfig(data,chartType,chartTitle){
chartValue = FormateData(data,chartType,chartTitle);
var optionTemp;
if(chartType=='pie'){
optionTemp = {
title : {
text: chartTitle,
x:'center'
},
tooltip : {
trigger: 'item',
formatter: "{a} <br/>{b} : {c} ({d}%)"
},
legend: {
orient : 'vertical',
x : 'left',
data:chartValue.xAxis
},
toolbox: {
show : true,
feature : {
mark : {show: true},
dataView : {show: true, readOnly: false},
magicType : {
show: true,
type: ['pie', 'funnel']
},
restore : {show: true},
saveAsImage : {show: true}
}
},
calculable : true,
series : [
{
name: chartTitle || "",
type: 'pie',
radius: '65%',
center: ['50%', '50%'],
data: chartValue.series
}
]
};
}
if(chartType=='bar'){
optionTemp = {
title : {
text: chartTitle
},
tooltip : {
trigger: 'axis'
},
toolbox: {
show : true,
feature : {
mark : {show: true},
dataView : {show: true, readOnly: false},
magicType : {show: true, type: ['line', 'bar','stack']},
restore : {show: true},
saveAsImage : {show: true}
}
},
calculable : true,
xAxis: [{
type: 'category',
data: chartValue.xAxis,
axisLabel: {
show: true,
interval: 'auto',
rotate: 0,
margion: 8
}
}],
yAxis: [{
type: 'value',
splitArea: { show: true }
}],
series: chartValue.series
};
}
if(chartType=='line'){
optionTemp = {
title : {
text: chartTitle
},
tooltip : {
trigger: 'axis'
},
toolbox: {
show : true,
feature : {
mark : {show: true},
dataZoom : {show: true},
dataView : {show: true, readOnly: false},
magicType : {show: true, type: ['line', 'bar']},
restore : {show: true},
saveAsImage : {show: true}
}
},
xAxis: [{
type: 'category', //X轴均为category，Y轴均为value
data: chartValue.xAxis,
boundaryGap: false//数值轴两端的空白策略
}],
yAxis: [{
type: 'value',
splitArea: { show: true }
}],
series: chartValue.series
};
}
//多分组的需要加入legend数据
if(!(data[0].group=='undefined'||data[0].group=='' ||data[0].group==null)){
optionTemp["legend"] = {data:chartValue.category,y:'bottom'};
}
return optionTemp ;
}