全選+批量刪除
阿新 • • 發佈：2017-08-16
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<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ include file="/back_page/head.jsp" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>babasport-list</title>
<script type="text/javascript">
function checkBox(name,checked){
$("input[name=‘"+name+"‘]").attr("checked",checked)
}
function optDelete(name,isDisplay) {
//至少選擇一個
var s=$("input[name=‘ids‘]:checked").size();
if(s<=0){
alert("至少選擇一個");
return;
}
if(!confirm("確定刪除嗎")){
return;
}
//刪除
$("#form1").attr("action","/cn/brand/deletes.do?name="+name+"&isDisplay="+isDisplay
href="/cn/brand/delete.do?id=${entry.id}&name=${entry.name}&isDisplay=${entry.isDisplay}">刪除</a>
</td>
</tr>
</c:forEach>
</tbody>
</table>
</form>
<div class="page pb15"><span class="r inb_a page_b">
<c:forEach items="${pagination.pageView}" var="page">
${page}
</c:forEach>
</span></div>
<div style="margin-top:15px;"><input class="del-button" type="button" value="刪除" onclick="optDelete(‘${name}‘,‘${isDisplay}‘);"/></div>
</div>
</body>
</html>
2.dao層方法和xml
package cn.itcast.core.dao.product;
import java.util.List;
import cn.itcast.core.bean.product.Brand;
import cn.itcast.core.query.product.BrandQuery;
/**
* 品牌
* @author lx
*
*/
public interface BrandDao {
//List集合
public List<Brand> getBrandListWithPage(Brand brand);
//查詢集合
public List<Brand> getBrandList(BrandQuery brandQuery);
//查詢總記錄數
public int getBrandCount(Brand brand);
//添加品牌
public void addBrand(Brand brand);
//單個刪除
public void deleteBrandByKey(Integer id);
//批量刪除
public void deleteBrandByKeys(Integer[] ids);
//修改
public void updateBrandByKey(Brand brand);
//查詢單個
public Brand getBrandByKey(Integer id);
}
xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="cn.itcast.core.dao.product.BrandDao">
<!-- resultMap -->
<resultMap type="Brand" id="brand">
<result column="id" property="id"/>
<result column="name" property="name"/>
<result column="description" property="description"/>
<result column="img_url" property="imgUrl"/>
<result column="sort" property="sort"/>
<result column="is_display" property="isDisplay"/>
</resultMap>
<!-- brandSelector fields id,name id #{id} == "id" ${id} == id -->
<sql id="brandSelector">
select
<if test="fields != null">
${fields}
</if>
<if test="fields == null">
id , name ,description,img_url,sort,is_display
</if>
from bbs_brand
</sql>
<!-- 品牌條件 -->
<sql id="brandWhere">
<where>
<if test="isDisplay != null">
is_display = #{isDisplay}
</if>
<if test="name != null">
<if test="nameLike == false">
and name = #{name}
</if>
<if test="nameLike == true">
and name like "%"#{name}"%"
</if>
</if>
</where>
</sql>
<!-- 品牌 Order by -->
<sql id="brandOrderBy">
<if test="fieldOrders != null and fieldOrders.size > 0">
order by
<foreach collection="fieldOrders" item="fieldOrder" separator=",">
${fieldOrder.field} ${fieldOrder.order}
</foreach>
</if>
</sql>
<!-- limit -->
<sql id="brandLimit">
<if test="startRow != null">
limit #{startRow},#{pageSize}
</if>
</sql>
<!-- 查詢品牌集合 -->
<select id="getBrandList" parameterType="BrandQuery" resultMap="brand">
<include refid="brandSelector"/>
<include refid="brandWhere"/>
<include refid="brandOrderBy"/>
<include refid="brandLimit"/>
</select>
<!-- 查詢品牌 get* -->
<select id="getBrandListWithPage" parameterType="Brand" resultMap="brand">
select id , name ,description,img_url,sort,is_display
from bbs_brand
<where>
<if test="isDisplay != null">
is_display = #{isDisplay}
</if>
<if test="name != null">
and name = #{name}
</if>
</where>
order by id desc
limit #{startRow},#{pageSize}
</select>
<!-- 查詢總記錄數 -->
<select id="getBrandCount" parameterType="Brand" resultType="Integer">
select count(1)
from bbs_brand
<where>
<if test="isDisplay != null">
is_display = #{isDisplay}
</if>
<if test="name != null">
and name = #{name}
</if>
</where>
</select>
<!-- 添加品牌 -->
<insert id="addBrand" parameterType="Brand">
insert into bbs_brand
<trim prefix="(" suffix=")">
name ,
description,
img_url,
sort,
is_display
</trim>
values
<trim prefix="(" suffix=")">
#{name},
#{description},
#{imgUrl},
#{sort},
#{isDisplay}
</trim>
</insert>
<!-- 刪除 通過主鍵 -->
<delete id="deleteBrandByKey" parameterType="Integer">
delete from bbs_brand
<where>
id = #{id}
</where>
</delete>
<!-- 批量刪除 -->
<delete id="deleteBrandByKeys" parameterType="Integer">
delete from bbs_brand
<where>
id in
<foreach collection="array" item="id" open="(" close=")" separator="," >
#{id}
</foreach>
</where>
</delete>
<!-- 修改 -->
<update id="updateBrandByKey" parameterType="Brand">
update bbs_brand
<set>
<if test="name != null">
name=#{name},
</if>
<if test="description != null">
description=#{description},
</if>
<if test="imgUrl != null">
img_url=#{imgUrl},
</if>
<if test="sort != null">
sort=#{sort},
</if>
<if test="isDisplay != null">
is_display=#{isDisplay}
</if>
</set>
<where>
id=#{id}
</where>
</update>
<!-- 通過ID查詢一個品牌對象 -->
<select id="getBrandByKey" parameterType="Integer" resultMap="brand">
select id , name ,description,img_url,sort,is_display
from bbs_brand
<where>
id = #{id}
</where>
</select>
</mapper>
controller層方法
//刪除品牌
@RequestMapping(value="/brand/deletes.do")
public String deletes(Integer[] ids,String name,Integer isDisplay,Model model){
if(name!=null&&!name.equals("")){
model.addAttribute("name", name);
}
model.addAttribute("id", ids);
if(isDisplay!=null&&!isDisplay.equals("")){
model.addAttribute("isDisplay", isDisplay);
}
brandService.deleteBrandByKeys(ids);
return "redirect:/brand/list.do";
}
全選+批量刪除