（五）springmvc之获取表单提交的数据

8.1：使用Request
<form method="post" id="form1" action="<%=request.getContextPath()%>/formData/formData_1">
<input type="text" name="username" value="用户名"/>
<input type="checkbox" name="check_1" value="复选框1"/>复选框1
<input type="checkbox" name="check_1" value="复选框2"/>复选框2
<input type="checkbox" name="check_1" value="复选框3"/>复选框3
<input type="submit" value="提交"/>
</form> 8.2：使用形参注解
<form method="post" id="form1" action="<%=request.getContextPath()%>/formData/formData_2">
<input type="text" name="username" value="用户名"/>
<input type="checkbox" name="check_1" value="复选框1"/>复选框1
<input type="checkbox" name="check_1" value="复选框2"/>复选框2
<input type="checkbox" name="check_1" value="复选框3"/>复选框3
<input type="submit" value="提交"/>
</form>
8.3：使用对象来获取
<form method="post" id="form1" action="<%=request.getContextPath()%>/formData/formData_3">
<input type="text" name="username" value="用户名"/>
<input type="checkbox" name="check_1" value="复选框1"/>复选框1
<input type="checkbox" name="check_1" value="复选框2"/>复选框2
<input type="checkbox" name="check_1" value="复选框3"/>复选框3
<input type="submit" value="提交"/>
</form>

package com.controller.formdata;import java.util.Arrays;import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;import com.bean.UserBean;@Controller
@RequestMapping(value = "/formData")
public class FormData {
@Autowired
private HttpServletRequest request;
@Autowired
private HttpServletResponse response;
@Autowired
private HttpSession session;
@Autowired
private ServletContext servletContext; @RequestMapping(value = "/formData_1")
public ModelAndView formData_1() throws Exception {
this.request.setCharacterEncoding("UTF-8");
String username = request.getParameter("username");
String[] check_1 = request.getParameterValues("check_1"); System.out.println(username);
System.out.println(Arrays.asList(check_1)); return null;
} @RequestMapping(value = "/formData_2")
public ModelAndView formData_2(
@RequestParam(name = "username") String username_2, String[] check_1)
throws Exception {
System.out.println("formData_2方法");
System.out.println(username_2);
System.out.println(Arrays.asList(check_1)); return null;
} /**
* 类似Struts中的模型驱动
*
* @param userBean
* @return
* @throws Exception
*/
@RequestMapping(value = "/formData_3")
public ModelAndView formData_3(UserBean userBean) throws Exception {
System.out.println("formData_3方法");
System.out.println(userBean.getUsername());
System.out.println(Arrays.asList(userBean.getCheck_1())); return null;
}}

public class UserBean implements Serializable {
private String username;
private String[] check_1; public String getUsername() {
return username;
} public void setUsername(String username) {
this.username = username;
} public String[] getCheck_1() {
return check_1;
} public void setCheck_1(String[] check_1) {
this.check_1 = check_1;
}}