Restful风格的curd

Restful风格的curd

package com.hous.crud.bean;

public class Department {

private Integer id;
private String departmentName;

public Department() {
// TODO Auto-generated constructor stub
}

public Department(int i, String string) {
this.id = i;
this.departmentName = string;
}

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getDepartmentName() {
return departmentName;
}

public void setDepartmentName(String departmentName) {
this.departmentName = departmentName;
}

@Override
public String toString() {
return "Department [id=" + id + ", departmentName=" + departmentName
+ "]";
}

}

package com.hous.crud.bean;

import java.util.Date;
import org.springframework.format.annotation.DateTimeFormat;
import org.springframework.format.annotation.NumberFormat;

public class Employee {

private Integer id;
private String lastName;

private String email;
//1 male, 0 female
private Integer gender;

private Department department;

@DateTimeFormat(pattern="yyyy-MM-dd")
private Date birth;

@NumberFormat(pattern="#,###,###.#")
private Float salary;

public Integer getId() {
return id;
}

public void setId(Integer id) {
this.id = id;
}

public String getLastName() {
return lastName;
}

public void setLastName(String lastName) {
this.lastName = lastName;
}

public String getEmail() {
return email;
}

public void setEmail(String email) {
this.email = email;
}

public Integer getGender() {
return gender;
}

public void setGender(Integer gender) {
this.gender = gender;
}

public Department getDepartment() {
return department;
}

public void setDepartment(Department department) {
this.department = department;
}

public Date getBirth() {
return birth;
}

public void setBirth(Date birth) {
this.birth = birth;
}

public Float getSalary() {
return salary;
}

public void setSalary(Float salary) {
this.salary = salary;
}

@Override
public String toString() {
return "Employee [id=" + id + ", lastName=" + lastName + ", email="
+ email + ", gender=" + gender + ", department=" + department
+ ", birth=" + birth + ", salary=" + salary + "]";
}

public Employee(Integer id, String lastName, String email, Integer gender,
Department department) {
super();
this.id = id;
this.lastName = lastName;
this.email = email;
this.gender = gender;
this.department = department;
}

public Employee() {
// TODO Auto-generated constructor stub
}
}

package com.hous.crud.controller;

import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;

import com.hous.crud.bean.Department;
import com.hous.crud.bean.Employee;
import com.hous.crud.dao.DepartmentDao;
import com.hous.crud.dao.EmployeeDao;

@Controller
public class EmployeeController {

@Autowired
private EmployeeDao employeeDao;
@Autowired
private DepartmentDao departmentDao;

//	@ModelAttribute
//	public void getEmployee(@RequestParam(value="id", required=false) Integer id,
//			Map<String,Object> map) {
//		if(id != null) {
//			map.put("employee", employeeDao.get(id));
//		}
//	}

/**
* 回显
* @param map
* @return
*/
@RequestMapping(value="/emp", method=RequestMethod.GET)
private String input(Map<String, Object> map) {
map.put("depts", departmentDao.getDepartments());
map.put("employee", new Employee());
return "input";
}

@RequestMapping(value="/emp/{id}", method=RequestMethod.GET)
private String input(@PathVariable Integer id, Map<String, Object> map) {
map.put("depts", departmentDao.getDepartments());
map.put("employee", employeeDao.get(id));
return "input";
}

@RequestMapping(value="/emp", method=RequestMethod.POST)
private String add(Employee employee){
employeeDao.save(employee);
return "redirect:/list";
}

@RequestMapping(value="/emp", method=RequestMethod.PUT)
private String update(Employee employee){
employeeDao.save(employee);
return "redirect:/list";
}

@RequestMapping("/list")
private String list(Map<String, Object> map) {
map.put("employees", employeeDao.getAll());
return "list";
}

@RequestMapping(value="/emp/{id}", method=RequestMethod.DELETE)
private String delete(@PathVariable Integer id) {
employeeDao.delete(id);
return "redirect:/list";
}

}

package com.hous.crud.dao;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.springframework.stereotype.Repository;

import com.hous.crud.bean.Department;

@Repository
public class DepartmentDao {

private static Map<Integer, Department> departments = null;

static{
departments = new HashMap<Integer, Department>();

departments.put(101, new Department(101, "D-AA"));
departments.put(102, new Department(102, "D-BB"));
departments.put(103, new Department(103, "D-CC"));
departments.put(104, new Department(104, "D-DD"));
departments.put(105, new Department(105, "D-EE"));
}

public Collection<Department> getDepartments(){
return departments.values();
}

public Department getDepartment(Integer id){
return departments.get(id);
}

}

package com.hous.crud.dao;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import com.hous.crud.bean.Department;
import com.hous.crud.bean.Employee;

@Repository
public class EmployeeDao {

private static Map<Integer, Employee> employees = null;

@Autowired
private DepartmentDao departmentDao;

static{
employees = new HashMap<Integer, Employee>();

employees.put(1001, new Employee(1001, "E-AA", "aa@163.com", 1, new Department(101, "D-AA")));
employees.put(1002, new Employee(1002, "E-BB", "bb@163.com", 1, new Department(102, "D-BB")));
employees.put(1003, new Employee(1003, "E-CC", "cc@163.com", 0, new Department(103, "D-CC")));
employees.put(1004, new Employee(1004, "E-DD", "dd@163.com", 0, new Department(104, "D-DD")));
employees.put(1005, new Employee(1005, "E-EE", "ee@163.com", 1, new Department(105, "D-EE")));
}

private static Integer initId = 1006;

public void save(Employee employee){
if(employee.getId() == null){
employee.setId(initId++);
}

employee.setDepartment(departmentDao.getDepartment(employee.getDepartment().getId()));
employees.put(employee.getId(), employee);
}

public Collection<Employee> getAll(){
return employees.values();
}

public Employee get(Integer id){
return employees.get(id);
}

public void delete(Integer id){
employees.remove(id);
}
}

<?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:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.2.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.2.xsd
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-4.2.xsd">

<!-- 自动扫描bean -->
<context:component-scan base-package="com.hous.crud"></context:component-scan>
<!-- 配置视图解析器 -->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" valu
4000
e="/WEB-INF/views/"></property>
<property name="suffix" value=".jsp"></property>
</bean>
<!-- 解决静态资源路径问题 -->
<mvc:default-servlet-handler/>

<mvc:annotation-driven/>
</beans>

<%@ page import="java.util.*"%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>添加雇员信息</title>
</head>
<body>
<!--
1.why使用form标签
快速开发页面，方便表单值的回显
2.注意
可以通过modelAttribute指定绑定的模型类型
若没有指定，则读取request的commond的表单bean
若该属性值也不存在则报错
-->

<form:form action="${pageContext.request.contextPath}/emp" method="POST" modelAttribute="employee">
<table>
<!-- id为整数类型 -->
<c:if test="${employee.id == null }">
<tr><th>First name</th><td><form:input path="lastName"/></td></tr>
</c:if>
<c:if test="${employee.id != null }">
<form:hidden path="id"/>
<input type="hidden" value="PUT" name="_method"/>
</c:if>
<tr><th>Email${employee.id}</th><td><form:input path="email"/></td></tr>
<%
Map<String, String> genders = new HashMap<String, String>();
genders.put("0","Male");
genders.put("1","Female");
request.setAttribute("genders", genders);
%>
<tr><th>Gender</th><td><form:radiobuttons path="gender" items="${genders }"/></td></tr>
<tr><th>Department</th><td><form:select path="department.id" items="${depts}"
itemLabel="departmentName" itemValue="id" /></td></tr>
</table>
<input type="submit" value="提交"/>
</form:form>
</body>
</html>

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>列表信息</title>
<script type="text/javascript" src="${pageContext.request.contextPath}/scripts/jquery.js"></script>
<script type="text/javascript">
$(function(){
$('.delete').click(function(){
var href=$(this).attr("href");
$("form").attr("action", href).submit();
return false;

/*********证明springmvc支持DELETE***********/
/* $.ajax({
url:href,
type: 'DELETE',
success: function(data){
//alert(data);
},
}); */
});
})
</script>
</head>
<body>
<!-- 转换post为delete方法 -->
<form action="" method="post">
<input type="hidden" name="_method" value="DELETE"/>
</form>

<c:if test="${empty requestScope.employees}">
没有员工信息
</c:if>
<c:if test="${!empty requestScope.employees}">
<table border="1px" cellspacing="0" cellpadding="10">
<c:forEach items="${requestScope.employees}" var="employee">
<tr>
<td>${employee.id}</td>
<td>${employee.lastName}</td>
<td>${employee.email}</td>
<td>${employee.gender == '1' ? 'Female' : 'Male'}</td>
<td>${employee.department.id}${employee.department.departmentName}</td>
<td><a href="${pageContext.request.contextPath}/emp/${employee.id }" class="delete">删除</a></td>
<td><a href="${pageContext.request.contextPath}/emp/${employee.id }" >修改</a></td>
</tr>
</c:forEach>
</table>
</c:if>
<br/><br/>
<a href="${pageContext.request.contextPath}/emp">添加雇员信息</a>
</body>
</html>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.hous.spring</groupId>
<artifactId>springmvc-2</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>springmvc-2 Maven Webapp</name>
<url>http://maven.apache.org</url>
<!-- 自定义变量 -->
<properties>
<org.springframework.version>4.2.1.RELEASE</org.springframework.version>
</properties>
<dependencies>
<!-- 添加Spring-core包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 添加spring-context包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 添加spring-context-support包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 添加spring-beans包 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 面向切面 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aop</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- jdbcTemplate开发 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- spring MVC -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>

<!-- 单元测试 -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- c3p0数据源 -->
<dependency>
<groupId>c3p0</groupId>
<artifactId>c3p0</artifactId>
<version>0.9.1.1</version>
</dependency>
<!-- 添加mysql驱动包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.30</version>
</dependency>
<!-- fastjson解析json -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.9</version>
</dependency>
<!-- servlet相关 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>3.1.0</version>
</dependency>
<!-- jstl标签 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>

</dependencies>
<build>
<finalName>springmvc-2</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.1</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

<?xml version="1.0" encoding="UTF-8" ?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
version="2.5">

<!-- 处理请求方法,将POST请求转换成PUT,DELETE -->
<filter>
<filter-name>HiddenHttpMethodFilter</filter-name>
<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>HiddenHttpMethodFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>

<!-- The front controller of this Spring Web application, responsible for
handling all application requests -->
<servlet>
<servlet-name>springDispatcherServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>

<!-- Map all requests to the DispatcherServlet for handling -->
<servlet-mapping>
<servlet-name>springDispatcherServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>