使用Echarts怎么动态加载多条折线图?很多新手对此不是很清楚,为了帮助大家解决这个难题,下面小编将为大家详细讲解,有这方面需求的人可以来学习下,希望你能有所收获。

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//气象数据
function serchQx(beginTime, endTime, str, parameter) {
$("#rr").html("");//将循环拼接的字符串插入下拉列表
var t = $("#imageParameter").val();
$
.ajax({
type : "POST",
data : {
"str" : str,
"beginTime" : beginTime,
"endTime" : endTime,
"parameter" : parameter,
"t" : t
},
url : "${pageContext.servletContext.contextPath}/dataAnalysis/serch.action",
success : function(result) {
var aa = [];
var tmp=[];
if (parameter == 1) {
aa.push('单位(℃)');
//option.yAxis[0].name = aa;
} else if (parameter == 2) {
aa.push('单位(%)');
//option.yAxis[0].name = aa;
} else if (parameter == 3) {
aa.push('单位(KPa)');
//option.yAxis[0].name = aa;
} else if (parameter == 4) {
aa.push('单位(w/㎡)');
//option.yAxis[0].name = aa;
} else if (parameter == 5) {
aa.push('单位(mm)');
//option.yAxis[0].name = aa;
} else if (parameter == 6) {
aa.push('单位(m/s)');
//option.yAxis[0].name = aa;
}
//处理数据
//将从后台接收的json字符串转换成json对象
var jsonobj = eval("(" + result + ")");
//给图标标题赋值
//option.legend.data = jsonobj.legend;
//读取横坐标值
//option.xAxis[0].data = jsonobj.axis;
var series_arr = jsonobj.series;
//驱动图表生成的数据内容,数组中每一项代表一个系列的特殊选项及数据
for (var i = 0; i < series_arr.length; i++) {
var datas=[];
for(var j=0;j后台封装的Series
/**
*
*/
package com.myhope.domain;
import java.util.List;
/**
* Description:
* Copyright (c) , 2017, Jansonxu
* This program is protected by copyright laws.
* Program Name:Series
* Date:2019年1月14日
*
* @author
* @version : 1.0
*/
public class Series {
private String name;
private String type;
private List data;
private List time;
public Series(String name, String type, List data, List time) {
super();
this.name = name;
this.type = type;
this.data = data;
this.time = time;
}
public List getTime() {
return time;
}
public void setTime(List time) {
this.time = time;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public List getData() {
return data;
}
public void setData(List data) {
this.data = data;
}
public Series() {
super();
}
@Override
public String toString() {
return "Series [name=" + name + ", type=" + type + ", data=" + data + ", time=" + time + "]";
}
}
后台封装Echarts
/**
*
*/
package com.myhope.domain;
import java.util.List;
/**
* Description:
* Copyright (c) , 2017, Jansonxu
* This program is protected by copyright laws.
* Program Name:Echarts
* Date:2019年1月14日
*
* @author
* @version : 1.0
*/
public class Echarts {
private List legend;//name
private List axis ;//横坐标
private List series;//数据项
private List dataAnalysisTables;
public Echarts(List legend, List axis, List series,
List dataAnalysisTables) {
super();
this.legend = legend;
this.axis = axis;
this.series = series;
this.dataAnalysisTables = dataAnalysisTables;
}
public Echarts() {
super();
}
public List getLegend() {
return legend;
}
public void setLegend(List legend) {
this.legend = legend;
}
public List getAxis() {
return axis;
}
public void setAxis(List axis) {
this.axis = axis;
}
public List getSeries() {
return series;
}
public void setSeries(List series) {
this.series = series;
}
public List getDataAnalysisTables() {
return dataAnalysisTables;
}
public void setDataAnalysisTables(List dataAnalysisTables) {
this.dataAnalysisTables = dataAnalysisTables;
}
@Override
public String toString() {
return "Echarts [legend=" + legend + ", axis=" + axis + ", series=" + series + ", dataAnalysisTables="
+ dataAnalysisTables + "]";
}
}
Action封装
将对应的东西传入页面即可
Echarts echarts = new Echarts(legend, newAxis, series,);
String jsonString = com.alibaba.fastjson.JSONObject.toJSONString(echarts);
初始化Echarts文件
var dom = document.getElementById("xsl");
var myChart = echarts.init(dom);
myChart.showLoading({
text : "图表数据正在努力加载..."
});
var app = {};
app.title = '多 X 轴示例';
var colors = [ '#5793f3', '#d14a61', '#675bba', "#00FF00", "#FFFF00" ];
option = {
color : colors,
tooltip : {
trigger : 'axis'
},
dataZoom : {
show : true,
start : 0,
realtime : true
},
legend : {
data : []
},
grid : {
top : 70,
bottom : 50
},
calculable: true,
xAxis : [ {
type : 'time',
boundaryGap : [ 0, 100 ],
axisLabel : {
textStyle : {
fontSize : "10px"
}
}
}
],
yAxis : [ {
name : [],
type : 'value',
} ],
series : []
};
myChart.clear();
myChart.setOption(option, true);看完上述内容是否对您有帮助呢?如果还想对相关知识有进一步的了解或阅读更多相关文章,请关注创新互联行业资讯频道,感谢您对创新互联的支持。
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