SSM框架做批量删除 详细步骤分析

jsp页面代码

`<script type="text/javascript" src="js/jquery-1.8.0.js"></script><script type="text/javascript">    function todelect() {        var chk_value = [];//定义一个数组        //利用将name等于ids的多选按钮得到        $("input[name='ids']:checked").each(function() {        //将选中额数据存到数组里        chk_value.push($(this).val());        });        if (chk_value.length == 0) {            alert("你还没有选择任何内容！");        }        if (chk_value.length > 0) {            location.href = "rcy/deleteUser.action?chk_value=" + chk_value;        }</script>`
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//多个多选框<input type="checkbox"  name="ids"  value="q" /><input type="checkbox"  name="ids"  value="a" /><input type="checkbox"  name="ids"  value="b" /><input type="checkbox"  name="ids"  value="b" /><input type="checkbox"  name="ids"  value="d" />
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controller层代码

//因为SSM的MVC自动能读取到数据@RequestMapping("/deleteUser.action")    public String deleteUser(Integer[] chk_value) {        if (chk_value == null && chk_value.length <= 0) {            return "forward:selectAllUser.action";        }        //直接传数组        userService.deleteUser(chk_value);        return "forward:selectAllUser.action";    }
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mapper.xml配置文件

<delete id="deleteUser" parameterType="Integer">        delete from t_user where         <foreach item="chk_value" collection="array" open="id in ("            separator="," close=")">            #{chk_value}        </foreach>    </delete>