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EChart报表插件使用笔记（1）

2017-06-19 10:40 417 查看

报表插件Echart

java类

package com.spring.controller;

import java.io.IOException;
import java.util.Arrays;
import java.util.Date;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import net.sf.json.JSONArray;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class EchartController {

/**
* 静态的Echart报表页面
*/
@RequestMapping(value="user/echart", method = {RequestMethod.POST,RequestMethod.GET})
public ModelAndView PostJsonTest(HttpServletRequest request,HttpServletResponse response) throws IOException{
ModelAndView mav=new ModelAndView();
mav.addObject("time", new Date());
mav.setViewName("echart/echart");
return mav;
}

/**
* 动态的Echart报表页面
*/
@RequestMapping(value="user/echart2", method = {RequestMethod.POST,RequestMethod.GET})
public ModelAndView dynamicEchart(HttpServletRequest request,HttpServletResponse response) throws IOException{
ModelAndView mav=new ModelAndView();
String str[]={"衬衫2","羊毛衫2","雪纺衫2","裤子2","高跟鞋2","袜子2","nickname"};
float bar[]={15, 28, 41, 45, 56, 120, 89};

List<String> category=Arrays.asList(str);//将数组转换成为list
mav.addObject("time", new Date());
mav.addObject("listData", category);//list
mav.addObject("array", str);//数组

mav.addObject("jsonArray", JSONArray.fromObject(str));//转换为json数组
mav.addObject("jsonList", JSONArray.fromObject(category));//转换为json数组
mav.addObject("jsonInt", JSONArray.fromObject(bar));//转换为json数组
mav.setViewName("echart/dynamicEchart");
return mav;
}

}

静态页面：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'echart.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->

<script type="text/javascript" src="<%=basePath%>resources/echart/esl.js"></script>

</head>

<body>
<div id="main" style="height:400px"></div>

<script type="text/javascript">
// 路径配置
require.config({
paths:{
'echarts' : 'resources/echart/echarts',
'echarts/chart/bar' : 'resources/echart/echarts'
}
});

// 使用
require(
[
'echarts',
'echarts/chart/bar' // 使用柱状图就载入bar模块，按需载入
],
function (ec) {
// 基于准备好的dom，初始化echarts图表
var myChart = ec.init(document.getElementById('main'));

var option = {
tooltip: {
show: true
},
legend: {
data:['销量']
},
xAxis : [
{
type : 'category',
data : ["衬衫","羊毛衫","雪纺衫","裤子","高跟鞋","袜子"]
}
],
yAxis : [
{
type : 'value'
}
],
series : [
{
"name":"销量",
"type":"bar",
"data":[5, 20, 40, 10, 10, 20]
}
]
};

// 为echarts对象载入数据
myChart.setOption(option);
}
);
</script>
</body>
</html>

动态页面：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'dynamicEchart.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script src="<%=basePath%>js/jquery.min.js"></script>
<script type="text/javascript" src="<%=basePath%>resources/echart/esl.js"></script>
</head>

<body>
<div id="main" style="height:400px"></div>
<input type="text" id="array" class="array" value="${array}" >
<input type="text" id="listData" class="listData" value="${listData}" >
<input type="text" id="jsonArray" class="jsonArray" value="${jsonArray}" >
<input type="text" id="jsonList" class="jsonList" value="${jsonList}" >

<script type="text/javascript">
// 路径配置
require.config({
paths:{
'echarts' : 'resources/echart/echarts',
'echarts/chart/bar' : 'resources/echart/echarts'
}
});

// 使用
require(
[
'echarts',
'echarts/chart/bar' // 使用柱状图就载入bar模块，按需载入
],
function (ec) {
// 基于准备好的dom，初始化echarts图表
var myChart = ec.init(document.getElementById('main'));

var jsonList=${jsonList};//接收后台传过来的json数组
alert(jsonList);
var jsona=${jsonArray};//接收后台传过来的json数组
alert(jsona);

var jsonInt=${jsonInt};//接收后台传过来的json数组
alert(jsonInt);
//便利json数组
/*   $.each(json,function(n,value) {
alert(value)
}); */

var option = {
tooltip: {
show: true
},
legend: {
data:['销量']
},
xAxis : [
{
type : 'category',
data : jsonList
}
],
yAxis : [
{
type : 'value'
}
],
series : [
{
"name":"销量",
"type":"bar",
"data":jsonInt
}
]
};

// 为echarts对象载入数据
myChart.setOption(option);
}
);
</script>
</body>
</html>

执行效果图：

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