Struts 多行提交及操作
UserInfo bean 相关属性
public class UserInfo{
private String username;
private String password;
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}
单个的UserInfo
public class UserInfoForm extends ActionForm {
private static final long serialVersionUID = 1L;
private String username;
private String password;
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
}
多个的UserInfo
public class UserInfoListForm extends ActionForm{
private static final long serialVersionUID = 5049729273082639532L;
private List users=new AutoArrayList(UserInfoForm.class);
public List getUsers() {
return users;
}
public void setUsers(List users) {
this.users = users;
}
}
public class AutoArrayList extends ArrayList{
private static final long serialVersionUID = 7329071318112930773L;
private Class itemClass;
public AutoArrayList(Class itemClass) {
this.itemClass = itemClass;
}
public Object get(int index) {
try {
while (index > = size()) {
add( itemClass.newInstance());
}
} catch (Exception e) {
e.printStackTrace();
}
return super.get(index);
}
}
添加操作的JSP页面
<html:form action= "/userInfo ">
用户名1: <html:text property= "users[0].username "/> <br>
密 码2: <html:text property= "users[0].password "/> <br>
用户名2: <html:text property= "users[1].username "/> <br>
密 码2: <html:text property= "users[1].password "/> <br>
<html:submit/>
<html:form>
在添加操作中的action 的处理将users列表转换为每一个的UserInfoForm再赋给
UserInfo bean中来保存
读取操作的JSP页面
<html:form action= "/userInfo ">
<logic:iterate id= "user " name= "userInfoListForm " property= "users ">
<html:text property= "username "/> <br>
<html:text property= "password "/> <br>
</logic:iterate>
<html:submit/>
</html:form>
想请问下我这样做是否合理,再来怎样来进行修改(初学者).
如果我使用表格来动态的添加或者册除相应的一组UserInfoForm时,
这时修改操作又该如何进行处理
[解决办法]
private String username;
private String password;
直接设为数组就可以了
private String[] usernames;
private String[] passwords;
用户名1: <html:text property= "usernames "/> <br>
密 码2: <html:text property= "passwords "/> <br>
[解决办法]
lz代码中的users[0]和users[1]是什么?