Spring Doc:https://docs.spring.io/spring/docs/current/spring-framework-reference/html/index.html
RESTful介绍:http://www.ruanyifeng.com/blog/2014/05/restful_api.html
xml中sping相关配置
<context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/dispatcher-servlet.xml</param-value> </context-param> <filter> <filter-name>Encoding</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>utf8</param-value> </init-param> </filter> <filter-mapping> <filter-name>Encoding</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value></param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>dispatcher</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <listener> <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class> </listener>
dispatcher-servlet.xml 配置
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:cache="http://www.springframework.org/schema/cache" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd"> <!-- 自动扫描包,实现支持注解的IOC --> <context:component-scan base-package="net.mfinance"/> <!-- 支持mvc注解驱动 --> <mvc:annotation-driven /> <!-- 视图解析器 --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <!-- 前缀 --> <property name="prefix" value="/WEB-INF/pages/" /> <!-- 后缀 --> <property name="suffix" value=".jsp" /> <property name="contentType" value="text/html;charset=UTF-8"/> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> </bean> <mvc:default-servlet-handler /> <!--<mvc:resources mapping="/resources/**" location="/resources/" cache-period="31556926"/>--> </beans>
@RestController
package net.mfinance.controllers; import com.fasterxml.jackson.annotation.JsonView; import net.mfinance.entities.UserEntity; import org.springframework.web.bind.annotation.*; import java.util.ArrayList; import java.util.List; /** * Created by Caspar on 17/5/5. */ @RestController public class UserConroller { @PutMapping("/user/{account}") public Object put(@PathVariable String account){ return new UserEntity(1,1+account,1+"pwd"); } @PatchMapping("/user/{account}") public Object patch(@PathVariable String account){ return new UserEntity(1,1+account,1+"pwd"); } @DeleteMapping("/user/{account}") public Object deete(@PathVariable String account){ return new UserEntity(1,1+account,1+"pwd"); } // GET /pets/42;q=11;r=22 // @MatrixVariable(name="q", pathVar="ownerId") int q1, @GetMapping(value = "/user") @JsonView(UserEntity.WithPasswordView.class) public Object get(@RequestParam(value = "limit",defaultValue = "10") int limit, @RequestParam(value = "offset",defaultValue = "0") int offset, @RequestParam(value = "sortby",defaultValue = "id") String sortby, @RequestParam(value = "order",defaultValue = "asc") String order){ List<UserEntity> list = new ArrayList<UserEntity>(); for (int i = offset; i <limit ; i++) { list.add(new UserEntity(i,"user "+i+" sortby "+sortby+" order "+order,i+"pwd")); } return list; } @GetMapping(value = "/user/{account}") @JsonView(UserEntity.WithPasswordView.class) public Object get(@PathVariable String account){ return new UserEntity(1,account,"pwd"); } }
UserEntity
public class UserEntity { public interface WithoutPasswordView {}; public interface WithPasswordView extends WithoutPasswordView {}; private int id; private String name; private String pwd; private List<String> hobbyList; public UserEntity(int id, String name, String pwd) { this.id = id; this.name = name; this.pwd = pwd; hobbyList = new ArrayList<>(); hobbyList.addAll(Arrays.asList(new String[]{"aaa","bb","cc"})); } public int getId() { return id; } public void setId(int id) { this.id = id; } @JsonView(WithoutPasswordView.class) public String getName() { return name; } public void setName(String name) { this.name = name; } @JsonView(WithPasswordView.class) public String getPwd() { return pwd; } public void setPwd(String pwd) { this.pwd = pwd; } public List<String> getHobbyList() { return hobbyList; } public void setHobbyList(List<String> hobbyList) { this.hobbyList = hobbyList; } }
JSP页面代码
<%@ page contentType="text/html;charset=UTF-8" language="java" %> <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <% String path = request.getContextPath(); String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path ; %> <!DOCTYPE html> <html lang="zh-cn"> <head> <meta name="viewport" content="initial-scale=1.0, user-scalable=no" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <script src="<%=basePath%>/resources/js/jquery-2.1.4.min.js"></script> <title></title> <script type="text/javascript"> $().ready(function(){ $.ajax({ url: "<%=basePath%>/user/caspar", type:"PUT" }).done(function(data) { $("#contents").append("<span>put "+data['name']+"</span><br></br>"); }); $.ajax({ url: "<%=basePath%>/user/caspar", type:"PATCH" }).done(function(data) { $("#contents").append("<span>update "+data['name']+"</span><br></br>"); }); $.ajax({ url: "<%=basePath%>/user/caspar", type:"DELETE" }).done(function(data) { $("#contents").append("<span>delete "+data['name']+"</span><br></br>"); }); $.ajax({ url: "<%=basePath%>/user/caspar", type:"GET" }).done(function(data) { $("#contents").append("<span>get "+data['name']+"</span><br></br>"); }); $.ajax({ url: "<%=basePath%>/user?limit=10&sortby=name&order=asc", type:"GET" }).done(function(data) { for(var i=0; i<data.length; i++) { $("#contents").append("<span>list "+i+": "+data[i]['name']+"</span><br></br>"); } }); }) </script> </head> <body> <h1>Hello ${name} !</h1> <div id="contents"> </div> </body> </html>