spring提供了两个标签库文件:spring-form.tld(表单标签库,用于输出HTML表单) spring.tld(基础标签库,用于Spring数据绑定等)
使用步骤:
1,配置表单标签库,复制spring.tld到\WEB-INF目录下,并在web.xml中添加该标签库的引用:
<jsp-config>
<taglib>
<taglib-uri>/spring-form</taglib-uri>
<taglib-location>/WEB-INF/spring-form.tld</taglib-locatioin>
</tablib>
</jsp-config>
2,在JSP文件中引入标签:
<%@taglib prefix="form" uri="/spring-form"%>
3,在request中保存JavaBean.
1 public class User {
2
3 private String username="admin";
4 private String password="1243";
5 private String [] interests= {"Structs","Hibernate","Spring"};
6 private String sex="M";
7 public String getUsername() {
8 return username;
9 }
10 public void setUsername(String username) {
11 this.username = username;
12 }
13 public String getPassword() {
14 return password;
15 }
16 public void setPassword(String password) {
17 this.password = password;
18 }
19 public String[] getInterests() {
20 return interests;
21 }
22 public void setInterests(String[] interests) {
23 this.interests = interests;
24 }
25 public void setSex(String sex) {
26 this.sex = sex;
27 }
28
29 }
View Code
然后在JSP页面中创建一个User对象,并保存在request对象中,命令为user;
<% User user= new User();
request.setAttribute("user",user);
%>
4,绑定JavaBean对象。
<form:form commandName="user"></form>
5,绑定JavaBean属性