前段时间项目中要做一个根据数据生成折线图的功能,并5分钟刷新一次,进行数据更新。由于之前是用echarts来进行中国地图展现的,所有这次也用echarts进行图形展示。
项目目录如下图所示:
1.pom. 1 <project 2 <modelVersion>4.0.0</modelVersion> 3 <groupId>test</groupId> 4 <artifactId>test</artifactId> 5 <version>0.0.1-SNAPSHOT</version> 6 <packaging>war</packaging> 7 8 <properties> 9 <spring.version>4.1.3.RELEASE</spring.version>10 <jackson.version>2.4.2</jackson.version>11 <jstl.version>1.2</jstl.version>12 <servlet-api.version>2.5</servlet-api.version>13 <jsp-api.version>2.0</jsp-api.version>14 </properties>15 16 <dependencies>17 <!-- JSP相关 -->18 <dependency>19 <groupId>jstl</groupId>20 <artifactId>jstl</artifactId>21 <version>${jstl.version}</version>22 </dependency>23 <dependency>24 <groupId>javax.servlet</groupId>25 <artifactId>servlet-api</artifactId>26 <scope>provided</scope>27 <version>${servlet-api.version}</version>28 </dependency>29 <dependency>30 <groupId>javax.servlet</groupId>31 <artifactId>jsp-api</artifactId>32 <scope>provided</scope>33 <version>${jsp-api.version}</version>34 </dependency>35 <!-- Jackson Json处理工具包 -->36 <dependency>37 <groupId>com.faster38 <artifactId>jackson-databind</artifactId>39 <version>${jackson.version}</version>40 </dependency>41 <!-- Spring -->42 <dependency>43 <groupId>org.springframework</groupId>44 <artifactId>spring-context</artifactId>45 <version>${spring.version}</version>46 </dependency>47 <dependency>48 <groupId>org.springframework</groupId>49 <artifactId>spring-beans</artifactId>50 <version>${spring.version}</version>51 </dependency>52 <dependency>53 <groupId>org.springframework</groupId>54 <artifactId>spring-webmvc</artifactId>55 <version>${spring.version}</version>56 </dependency>57 <dependency>58 <groupId>org.springframework</groupId>59 <artifactId>spring-jdbc</artifactId>60 <version>${spring.version}</version>61 </dependency>62 <dependency>63 <groupId>org.springframework</groupId>64 <artifactId>spring-aspects</artifactId>65 <version>${spring.version}</version>66 </dependency>67 </dependencies>68 69 <build>70 <plugins>71 <plugin>72 <groupId>org.apache.tomcat.maven</groupId>73 <artifactId>tomcat7-maven-plugin</artifactId>74 <configuration>75 <port>8080</port>76 <path>/</path>77 </configuration>78 </plugin>79 </plugins>80 </build>81 </project>
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2.web. 1 <? 2 <web-app 3 4 xsi:schemaLocation="http://java.sun.com/ 5 id="taotao" version="2.5"> 6 <welcome-file-list> 7 <welcome-file>index.html</welcome-file> 8 <welcome-file>index.htm</welcome-file> 9 <welcome-file>index.jsp</welcome-file>10 <welcome-file>default.html</welcome-file>11 <welcome-file>default.htm</welcome-file>12 <welcome-file>default.jsp</welcome-file>13 </welcome-file-list>14 15 <!-- 加载spring容器 -->16 <context-param>17 <param-name>contextConfigLocation</param-name>18 <param-value>classpath:spring/applicationContext*.19 </context-param>20 <listener>21 <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>22 </listener>23 24 <!-- 解决post乱码 -->25 <filter>26 <filter-name>CharacterEncodingFilter</filter-name>27 <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>28 <init-param>29 <param-name>encoding</param-name>30 <param-value>utf-8</param-value>31 </init-param>32 <init-param>33 <param-name>forceEncoding</param-name>34 <param-value>true</param-value>35 </init-param>36 </filter>37 <filter-mapping>38 <filter-name>CharacterEncodingFilter</filter-name>39 <url-pattern>/*</url-pattern>40 </filter-mapping>41 42 <!-- springmvc的前端控制器 -->43 <servlet>44 <servlet-name>springmvc</servlet-name>45 <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>46 <!-- contextConfigLocation不是必须的, 如果不配置contextConfigLocation, springmvc的配置文件默认在:WEB-INF/servlet的name+"-servlet.47 <init-param>48 <param-name>contextConfigLocation</param-name>49 <param-value>classpath:spring/springmvc.50 </init-param>51 <load-on-startup>1</load-on-startup>52 </servlet>53 <servlet-mapping>54 <servlet-name>springmvc</servlet-name>55 <url-pattern>/</url-pattern>56 </servlet-mapping>57 58 </web-app>
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3.applicationContext-service. 1 <beans 2 3 4 5 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd 6 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.0.xsd 7 http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd 8 http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.0.xsd"> 9 10 <context:component-scan base-package="service"/>11 </beans>
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4.springmvc. 1 <? 2 <beans 3 4 5 6 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 7 http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd 8 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> 9 10 <context:component-scan base-package="controller" />11 <mvc:annotation-driven />12 <bean13 class="org.springframework.web.servlet.view.InternalResourceViewResolver">14 <property name="viewClass"15 value="org.springframework.web.servlet.view.JstlView" />16 <property name="prefix" value="/WEB-INF/jsp/" />17 <property name="suffix" value=".jsp" />18 </bean>19 20 <mvc:resources location="/WEB-INF/js/" mapping="/js/**"/>21 <mvc:resources location="/WEB-INF/css/" mapping="/css/**"/>22 23 24 </beans>
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5.EchartsEntity.java
1 package po; 2 3 import java.util.List; 4 5 public class EchartsEntity { 6 7 public String name; 8 public String type; 9 public List<?> data;10 11 public EchartsEntity() {12 13 }14 15 public EchartsEntity(String name, String type, List<?> data) {16 super();17 this.name = name;18 this.type = type;19 this.data = data;20 }21 22 public String getName() {23 return name;24 }25 26 public void setName(String name) {27 this.name = name;28 }29 30 public String getType() {31 return type;32 }33 34 public void setType(String type) {35 this.type = type;36 }37 38 public List<?> getData() {39 return data;40 }41 42 public void setData(List<?> data) {43 this.data = data;44 }45 46 47 }
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6.EchartsServiceImpl.java
1 package service.impl; 2 3 import java.util.ArrayList; 4 import java.util.Arrays; 5 import java.util.HashMap; 6 import java.util.List; 7 import java.util.Map; 8 9 import org.springframework.stereotype.Service;10 11 import com.faster12 import com.faster13 14 import po.EchartsEntity;15 import service.EchartsService;16 17 @Service18 public class EchartsServiceImpl implements EchartsService {19 20 private ObjectMapper mapper = new ObjectMapper();21 public String getLineImage() {22 List<EchartsEntity> echarts = new ArrayList<EchartsEntity>();23 //自定义横坐标24 String[] xAxis = {"周一","周二","周三","周四","周五","周六","周日"};25 //自定义三条线26 EchartsEntity entity1 = new EchartsEntity("邮件营销","line",Arrays.asList(120, 132, 101, 134, 90, 230, 210));27 EchartsEntity entity2 = new EchartsEntity("联盟广告","line",Arrays.asList(220, 182, 191, 234, 290, 330, 310));28 EchartsEntity entity3 = new EchartsEntity("视频广告","line",Arrays.asList(150, 232, 201, 154, 190, 330, 410));29 echarts.add(entity1);30 echarts.add(entity2);31 echarts.add(entity3);32 33 String[] legend = {"邮件营销","联盟广告","视频广告"};34 Map<String, Object> resultMap = new HashMap<String, Object>();35 resultMap.put("xAxis", xAxis);36 resultMap.put("series", echarts);37 resultMap.put("legend", legend);38 try {39 return mapper.writeValueAsString(resultMap);40 } catch (JsonProcessingException e) {41 // TODO Auto-generated catch block42 e.printStackTrace();43 }44 return "";45 }46 47 }
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7.EchartsTestController.java
1 package controller; 2 3 import org.springframework.beans.factory.annotation.Autowired; 4 import org.springframework.http.MediaType; 5 import org.springframework.web.bind.annotation.RequestMapping; 6 import org.springframework.web.bind.annotation.RestController; 7 8 import service.EchartsService; 9 10 @RestController11 @RequestMapping(value="/echarts",produces=MediaType.TEXT_HTML_VALUE+";charset=utf-8")12 public class EchartsTestController {13 14 @Autowired15 public EchartsService echartsService;16 17 @RequestMapping("/showImage")18 public String showImage() {19 String value = echartsService.getLineImage();20 System.out.println(value);21 return value;22 }23 }
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8.ShowPageController.java
1 package controller; 2 3 import org.springframework.stereotype.Controller; 4 import org.springframework.web.bind.annotation.PathVariable; 5 import org.springframework.web.bind.annotation.RequestMapping; 6 7 @Controller 8 public class ShowPageController { 9 10 @RequestMapping("/{page}")11 public String showPage(@PathVariable String page) {12 13 return page;14 }15 }
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9.前台jsp页面
1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2 pageEncoding="UTF-8"%> 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 4 <html> 5 <head> 6 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 7 <script type="text/javascript" src='/images/loading.gif' data-original="js/jquery-2.1.4/jquery.min.js"></script> 8 <script type="text/javascript" src='/images/loading.gif' data-original="js/ehcarts/echarts-all.js"></script> 9 <!-- 10 <script type="text/javascript" src='/images/loading.gif' data-original="js/echarts-2.2.7/build/dist/echarts-all.js"></script>11 -->12 <title>Insert title here</title>13 </head>14 <body>15 <div id='line' style="height:500px;border:1px solid #ccc;padding:10px;"></div>16 <script type="text/javascript">17 var myChart = echarts.init(document.getElementById('line'));18 var lineOption = {19 title : {20 text: '',21 subtext: ''22 },23 tooltip : {24 trigger: 'axis' //item 点在哪条线上显示哪条线上的数据,axis点在哪个坐标点上显示对于点上所有数据25 },26 legend: {27 data:[]28 },29 toolbox: {30 show : true,31 orient : 'vertical',32 x: 'right',33 y: 'center',34 feature : {35 mark : {show: true},36 dataView : {show: true, readOnly: false},37 magicType : {show: true, type: ['line', 'bar']},38 restore : {show: true},39 saveAsImage : {show: true}40 }41 },42 calculable : true,43 xAxis : [44 {45 type : 'category',46 boundaryGap : false,47 data : []48 }49 ],50 yAxis : [51 {52 type : 'value',53 axisLabel : {54 formatter: '{value} '55 }56 }57 ],58 series : []59 };60 61 myChart.setOption(lineOption);62 var ajax = function() {63 $.ajax({64 url : '/echarts/showImage',65 success: function(responseText) {66 //请求成功时处理67 var responseText = eval('(' + responseText + ')'); 68 lineOption.legend.data=responseText.legend;69 lineOption.xAxis[0].data = responseText.xAxis;70 var serieslist = responseText.series;71 //alert(serieslist);72 for(var i=0;i<serieslist.length;i++) {73 lineOption.series[i] = serieslist[i];74 }75 //alert(lineOption.series);76 myChart.setOption(lineOption,true);77 },78 complete: function() {79 //请求完成的处理80 },81 error: function() {82 //请求出错处理83 alert("加载失败");84 }85 })86 }87 88 window.setTimeout(ajax,100);89 //window.setInterval(ajax,1000*60*5);90 </script>91 </body>92 93 </html>
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运行项目,结果如图所示:
原标题:java运用echart进行图形展示
关键词:JAVA