Johnhe
posts - 20,comments - 6,trackbacks - 0
javascirpt的全选，修改删除判断小例子
<html>
<head>
    <script type="text/javascript">    
    
        function modifyUser() {
        var count = 0;
        var j = 0
        for(var i=0; i<document.getElementsByName("selectFlag").length; i++) {
            if(document.getElementsByName("selectFlag")[i].checked) {
                j = i;
                count++;
            }
        }
        if(count==0) {
            alert("请选择需要修改的用户");
            return;
        }
        if(count > 1) {
            alert("一次只能修改一个用户");
            return;
        }
        
        //window.self.location = "user_modify.jsp?userId=" + document.getElementsByName("selectFlag")[j].value ;
    }
    
    function deleteUser() {
        var flag = false;
        for(var i=0; i<document.getElementsByName("selectFlag").length; i++) {
            if(document.getElementsByName("selectFlag")[i].checked) {
                flag = true;
                break;
            }
        }
        if(!flag) {
            alert("请选择需要删除的用户");
            return;
        }
        if(window.confirm("确认删除吗？")) {
            alert("删除");
            //with(document.getElementById("userform")) {
                //method = "post";
                //action = "user_maint.jsp?command=delete";
                //submit();
            //}
        }
    }
        
    function checkAll() {
        for(var i=0; i<document.getElementsByName("selectFlag").length; i++) {
            document.getElementsByName("selectFlag")[i].checked = document.getElementById("ifAll").checked
        }
    }
    </script>
</head>
<body>
    
    <table width="95%" border="1" cellspacing="0" cellpadding="0"    align="center">
                <tr>
                    <td width="55">
                        <input type="checkbox" name="ifAll" id="ifAll" onClick="javascript:checkAll()">
                    </td>
                    <td>
                        用户代码
                    </td>

                </tr>

                <tr>
                    <td>
                        <input type="checkbox" name="selectFlag" value="1">
                    </td>
                    <td>
                        1
                    </td>
                </tr>
                
                
                <tr>
                    <td>
                        <input type="checkbox" name="selectFlag" value="2">
                    </td>
                    <td>
                        2
                    </td>
                </tr>
            </table>
        <hr color="green">
            <table width="95%" height="30" border="0" align="center" cellpadding="0" cellspacing="0">
                <tr>
                        <td nowrap>
                        <div align="right">
                            <input name="btnAdd" type="button" id="btnAdd" value="添加" onClick="addUser()">
                            <input name="btnDelete" type="button"    id="btnDelete" value="删除" onClick="deleteUser()">
                            <input name="btnModify" type="button"    id="btnModify" value="修改" onClick="modifyUser()">
                        </div>
                    </td>
                </tr>
            </table>
</body>
</html>

全选，删除，修改的判断
posted on 2009-03-04 16:19 Johnhe 阅读(399) 评论(0)  编辑  收藏 所属分类: javascript

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