sh的web开发get表单提交搜索功能
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>asdf</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
</head>
<body>
<!-- 分页搜索功能 start -->
<form id="signupForm" method="get" action="mytest.action">
<input id="user_name" name="user_name" value="${user_name}"/>
<input type="submit" value="提交"/>
</form>
<table>
<tr>
<th>姓名</th>
<th>密码</th>
</tr>
<s:iterator id="list" value="#request.pagelist">
<tr>
<td><s:property value="#list.name"/></td>
</tr>
</s:iterator>
</table>
<!--首页 -->
<c:choose>
<c:when test="${currentpage == 1}">
首页
</c:when>
<c:otherwise>
<a href="mytest.action?pages=1&user_name=${keyencode}" style="color: blue;">首页</a><!--user_name=${keyencode}翻页时传值的关键之处-->
</c:otherwise>
</c:choose>
<!-- 上一页 -->
<c:choose>
<c:when test="${up == 0}">
上一页
</c:when>
<c:otherwise>
<a href="mytest.action?pages=${up}&user_name=${keyencode}" style="color: blue;">上一页</a>
</c:otherwise>
</c:choose>
<!-- 连续分页 -->
<c:forEach items="${listArrayList}" var="listArrayList">
<c:choose>
<c:when test="${listArrayList == currentpage}">
[${listArrayList}]
</c:when>
<c:otherwise>
<a href="mytest.action?pages=${listArrayList}&user_name=${keyencode}" style="color: blue;">${listArrayList}</a>
</c:otherwise>
</c:choose>
</c:forEach>
<!-- 下一页 -->
<c:choose>
<c:when test="${next == 0}">
下一页
</c:when>
<c:otherwise>
<a href="mytest.action?pages=${next}&user_name=${keyencode}" style="color: blue;">下一页</a>
</c:otherwise>
</c:choose>
<!-- 尾页 -->
<c:choose>
<c:when test="${currentpage == totalpage}">
尾页
</c:when>
<c:otherwise>
<a href="mytest.action?pages=${totalpage}&user_name=${keyencode}" style="color: blue;">尾页</a>
</c:otherwise>
</c:choose>
<!-- 分页搜索功能 end -->
</body>
</html>
package test.action;
import java.net.URLEncoder;
import java.util.List;
import test.dao.UserDAO;
import test.util.Pages.Pages;
import test.util.s2services.Services;
import com.opensymphony.xwork2.ActionSupport;
@SuppressWarnings("serial")
public class MytestAction extends ActionSupport{
private String user_name;//获取搜索关键字
private int user_age;
private String user_sex;
private List pagelist;
private String keyencode;//页面获取此16进制编码
public String getKeyencode() {
return keyencode;
}
public void setKeyencode(String keyencode) {
this.keyencode = keyencode;
}
public List getPagelist() {
return pagelist;
}
public void setPagelist(List pagelist) {
this.pagelist = pagelist;
}
public int getUser_age() {
return user_age;
}
public void setUser_age(int user_age) {
this.user_age = user_age;
}
public String getUser_name() {
return user_name;
}
public void setUser_name(String user_name) {
this.user_name = user_name;
}
public String getUser_sex() {
return user_sex;
}
public void setUser_sex(String user_sex) {
this.user_sex = user_sex;
}
@Override
public String execute() throws Exception {
if(getUser_name()!=null)//转换的关键地方
{
setUser_name(new String(getUser_name().getBytes("iso8859-1"),"utf-8"));//将页面以get形式传过来的乱码关键字转换成中文,并且页面传过来的16进制码也可以通过此方法转换成中文
setKeyencode(URLEncoder.encode(getUser_name(),"utf-8"));//将搜索的关键字变成utf-8形式的16进制编码传给页面
}
int page=0;
if(Services.request().getParameter("pages")==null)page=1;
else page=Integer.parseInt(Services.request().getParameter("pages"));
UserDAO userDAO=new UserDAO();
int count=userDAO.objectFindByValue("%"+getUser_name()+"%", "from User where name like ?").size();
List list=userDAO.productIndexFindPage(2, page, "User", "name like '%"+getUser_name()+"%'", "id");
List pagelist=Pages.pages(2, 20, count, list);
setPagelist(pagelist);
return SUCCESS;
}
}
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