最近做了一个超市订单管理系统的项目，使用的是Spring MVC 和Spring 框架。
如上图：进行新用户添加。此处jsp页面代码如下：
<div class="right">
<div class="location">
<strong>你现在所在的位置是:</strong>
<span>用户管理页面 >> 用户添加页面</span>
</div>
<div class="providerAdd">
<form id="userForm" name="userForm" method="post"
enctype="multipart/form-data"
action="${pageContext.request.contextPath }/user/addsave.html">
<input type="hidden" name="method" value="add">
<!--div的class 为error是验证错误，ok是验证成功-->
<div>
<label for="userCode">用户编码：</label>
<input type="text" name="userCode" id="userCode" value="">
<!-- 放置提示信息 -->
<font color="red"></font>
</div>
<div>
<label for="userName">用户名称：</label>
<input type="text" name="userName" id="userName" value="">
<font color="red"></font>
</div>
<div>
<label for="userPassword">用户密码：</label>
<input type="password" name="userPassword" id="userPassword" value="">
<font color="red"></font>
</div>
<div>
<label for="ruserPassword">确认密码：</label>
<input type="password" name="ruserPassword" id="ruserPassword" value="">
<font color="red"></font>
</div>
<div>
<label >用户性别：</label>
<select name="gender" id="gender">
<option value="1" selected="selected">男</option>
<option value="2">女</option>
</select>
</div>
<div>
<label for="birthday">出生日期：</label>
<input type="text" Class="Wdate" id="birthday" name="birthday"
readonly="readonly" onclick="WdatePicker();">
<font color="red"></font>
</div>
<div>
<label for="phone">用户电话：</label>
<input type="text" name="phone" id="phone" value="">
<font color="red"></font>
</div>
<div>
<label for="address">用户地址：</label>
<input name="address" id="address" value="">
</div>
<div>
<label >用户角色：</label>
<!-- 列出所有的角色分类 -->
<!-- <select name="userRole" id="userRole"></select> -->
<select name="userRole" id="userRole"> <option value="1">系统管理员</option> <option value="2">经理</option> <option value="3" selected="selected">普通用户</option>
</select>
<font color="red"></font>
</div>
<div>
<input type="hidden" id="errorinfo" value="${uploadFileError}">
<label for="a_idPicPath">证件照：</label>
<input type="file" name="attachs" id="a_idPicPath" value="">
<font color="red"></font>
</div>
<div>
<input type="hidden" id="errorinfo_wp" value="${uploadwpError}">
<label for="a_workPicPath">工作证照片：</label>
<input type="file" name="attachs" id="a_workPicPath" value="">
<font color="red"></font>
</div>
<div class="providerAddBtn">
<input type="button" name="add" id="add" value="保存" >
<input type="button" id="back" name="back" value="返回" >
</div>
</form>
</div> </div>
下面的是实体类代码：
package cn.smbms.pojo;
import java.util.Date;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Past;
import org.hibernate.validator.constraints.Length;
import org.hibernate.validator.constraints.NotEmpty;
import org.springframework.format.annotation.DateTimeFormat;
public class User {
private Integer id; //id
@NotEmpty(message="用户编码不能为空") //服务器进行验证
private String userCode; //用户编码
@NotEmpty(message="用户名称不能为空")
private String userName; //用户名称
@NotNull(message="用户密码不能为空")
@Length(min=6,max=16,message="用户密码长度为6-10位")
private String userPassword; //用户密码
private Integer gender; //性别
@Past(message="必须是一个过去时间")
@DateTimeFormat(pattern="yyyy-MM-dd")
private Date birthday; //出生日期
private String phone; //电话
private String address; //地址
private Integer userRole; //用户角色
private Integer createdBy; //创建者
private Date creationDate; //创建时间
private Integer modifyBy; //更新者
private Date modifyDate; //更新时间
private Integer age;//年龄
private String userRoleName; //用户角色名称
private String idPicPath; //文件上传路径
private String workPicPath; //工作证上传路径
public String getWorkPicPath() {
return workPicPath;
}
public void setWorkPicPath(String workPicPath) {
this.workPicPath = workPicPath;
}
public void setAge(Integer age) {
this.age = age;
}
public String getIdPicPath() {
return idPicPath;
}
public void setIdPicPath(String idPicPath) {
this.idPicPath = idPicPath;
}
public User(){}
public User(Integer id,String userCode,String userName,String userPassword,Integer gender,Date birthday,String phone,
String address,Integer userRole,Integer createdBy,Date creationDate,Integer modifyBy,Date modifyDate){
this.id = id;
this.userCode = userCode;
this.userName = userName;
this.userPassword = userPassword;
this.gender = gender;
this.birthday = birthday;
this.phone = phone;
this.address = address;
this.userRole = userRole;
this.createdBy = createdBy;
this.creationDate = creationDate;
this.modifyBy = modifyBy;
this.modifyDate = modifyDate;
}
public String getUserRoleName() {
return userRoleName;
}
public void setUserRoleName(String userRoleName) {
this.userRoleName = userRoleName;
}
public Integer getAge() {
/*long time = System.currentTimeMillis()-birthday.getTime();
Integer age = Long.valueOf(time/365/24/60/60/1000).IntegerValue();*/
Date date = new Date();
Integer age = date.getYear()-birthday.getYear();
return age;
}
public Integer getId() {
return id;
}
public void setId(Integer id) {
this.id = id;
}
public String getUserCode() {
return userCode;
}
public void setUserCode(String userCode) {
this.userCode = userCode;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getUserPassword() {
return userPassword;
}
public void setUserPassword(String userPassword) {
this.userPassword = userPassword;
}
public Integer getGender() {
return gender;
}
public void setGender(Integer gender) {
this.gender = gender;
}
public Date getBirthday() {
return birthday;
}
public void setBirthday(Date birthday) {
this.birthday = birthday;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getAddress() {
return address;
}
public void setAddress(String address) {
this.address = address;
}
public Integer getUserRole() {
return userRole;
}
public void setUserRole(Integer userRole) {
this.userRole = userRole;
}
public Integer getCreatedBy() {
return createdBy;
}
public void setCreatedBy(Integer createdBy) {
this.createdBy = createdBy;
}
public Date getCreationDate() {
return creationDate;
}
public void setCreationDate(Date creationDate) {
this.creationDate = creationDate;
}
public Integer getModifyBy() {
return modifyBy;
}
public void setModifyBy(Integer modifyBy) {
this.modifyBy = modifyBy;
}
public Date getModifyDate() {
return modifyDate;
}
public void setModifyDate(Date modifyDate) {
this.modifyDate = modifyDate;
}
}
下面的是控制层的用户增加方法：
@RequestMapping(value="/addsave.html",method=RequestMethod.POST)
public String addSave( User user,HttpSession session,
HttpServletRequest request,
@RequestParam(value="attachs",required=false)MultipartFile[] attachs){
String idPicPath=null;
String workPicPath=null;
String errorInfo=null;
boolean flag=true;
//定义上传目标路径
String path = request.getSession().getServletContext().
getRealPath("statics"+File.separator+"uploadfiles");
for(int i=0;i<attachs.length;i++){
MultipartFile attach=attachs[i];
//判断上传文件是否为空
if(!attach.isEmpty()){
if(i==0){
errorInfo="uploadFileError";
}else if(i==1){
errorInfo="uploadwpError";
}
logger.info("uploadFile path ============== > "+path);
//获取原文件名
String oldFileName=attach.getOriginalFilename();
logger.info("uploadFile oldFileName ============== > "+oldFileName);
//获取文件后缀
String prefix=FilenameUtils.getExtension(oldFileName);
logger.debug("uploadFile prefix============> " + prefix);
int filesize=500000;
logger.debug("uploadFile size============> " + attach.getSize());
//判断文件大小
if(attach.getSize()>filesize){
request.setAttribute(errorInfo, "上传文件大小不能超过500k");
flag=false;
}else if(prefix.equalsIgnoreCase("jpg")
||prefix.equalsIgnoreCase("jpeg")
||prefix.equalsIgnoreCase("png")
||prefix.equalsIgnoreCase("pneg")
){
//判断格式是否正确 和给图片重命名： 当前系统时间+随机数+"_Personal.jpg"
String fileName=System.currentTimeMillis()+RandomUtils.nextInt(1000000)+"_Personal.jpg";
logger.debug("new fileName======== " + fileName);
//创界文件用来接收上传的文件流
File targetFile=new File(path,fileName);
if(!targetFile.exists()){
targetFile.mkdirs();
}
try {
attach.transferTo(targetFile);
} catch (Exception e) {
e.printStackTrace();
request.setAttribute(errorInfo, "*上传失败");
flag=false;
}
//File.separator自适应分隔符/，linux系统或则其他系统/可能不兼容
if(i==0){
idPicPath=path+File.separator+fileName;
}else if(i==1){
workPicPath=path+File.separator+fileName;
}
}else{
request.setAttribute(errorInfo, "上传图片格式不正确");
flag=false;
}
}
}
在增加方法中，直接以实体对象的方式入参，Spring MVC框架自动将属性封装成对象，在没用框架的时候，一般是在servlet中通过request.getParameter("")的方法来获取属性，在通过实体类的set方法给实体类赋值，而Spring MVC框架恰好将此步骤省略，注意：input标签中的name属性名称要与实体类中的属性名称一致.
此处代码也介绍了多文件上传的过程，使用数组方式实现多文件上传，在控制层中，在for循环中进行判断，需要注意的是要注意后台的顺序要和上传的顺序一致。此处是两文件上传也可以用两个单文件上传完成，也比较清晰明了。
3118
扫一扫
被折叠的 条评论
为什么被折叠?
到【灌水乐园】发言
