zoukankan html css js c++ java

js

// 居中
        $(window).resize(function(){ 
            $('.n-format').css({ 
            position:'absolute', 
            left: ($(window).width() - $('.n-notice').outerWidth())/2, 
            top: ($(window).height() - $('.n-notice').outerHeight())/2 + $(document).scrollTop() 
            }); 
            }); 
        $(window).resize(); 
        
        // 拖动
          $('.n-format').mousedown(  
                  function (event) {  
                      var isMove = true;  
                      var abs_x = event.pageX - $('.n-format').offset().left;  
                      var abs_y = event.pageY - $('.n-format').offset().top;  
                      $(document).mousemove(function (event) {  
                                  if (isMove) {  
                                      var obj = $('.n-format');  
                                      obj.css({'left':event.pageX - abs_x, 'top':event.pageY - abs_y});  
                                  }  
                              }  
                      ).mouseup(  
                              function () {  
                                  isMove = false;  
                              }  
                      );  
                  }  
          );

//  避免多次执行
$("#ok").unbind("click").bind("click",function(){}

$("#tableid tr:eq(1) td:last a").hide()  // <table id="tableid"> 选择table的第二行的最后一个单元格中的a标签

$("#table2 tr:gt(1) td:nth-child(4)")  // 获得表格从第二行开始的第四列

获得table的行数。

$("#tableid")[0].rows.length

获得表格的列数

$("#tosql")[0].rows.item(0).cells.length

出现

问题的解决办法

document.onkeydown=function(event){
    var e = event || window.event || arguments.callee.caller.arguments[0];
     if(e && e.keyCode==13){ // enter 键
         addNewRow();
    }
      if(e && e.keyCode==9){ //tab 键
         $("#clear").click();
    } 
};

判断div是否隐藏

$("#divID").is(":hidden"); //是否隐藏

$("#divID").is(":visible"); //是否可见

 function numcheck() {  // 只能输入数字
            if (event.keyCode < 48 || event.keyCode > 57) {
                event.returnValue = false;
            }
        }

补齐位数

    Number.prototype.Left3=function(){
          if(this.toString().length>3)return this.toString().substr(0,3);
          else{
            var str=this.toString();
            for(var i=0;i<=3-str.length;i++)str="0"+str;
            return str;
          }
        }

获取url中的参数方法

function getParameter (sProp){
    var re = new RegExp (sProp + "=([^&]*)" , "i" );
    var a = re . exec (document . location . search );
    return a == null ? null:a [ 1 ];
}

转换参数乱码
decodeURI()

ligergrid表格添加tab事件和enter事件

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
<link href="plugins/ligerUI/skins/Aqua/css/ligerui-all.css" rel="stylesheet" type="text/css">
<script src="js/jquery-1.7.2.js" type="text/javascript"></script>
<script src="js/core/base.js" type="text/javascript"></script>
<!-- <script src="js/ligerui.min.js" type="text/javascript"></script> -->
<!-- <script src="js/plugins/ligerTree.js" type="text/javascript"></script> -->
 <script src="plugins/json/json2.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/core/base.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerDialog.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerTextBox.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerCheckBox.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerComboBox.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerGrid.js" type="text/javascript"></script>
    <script src="plugins/ligerUI/js/plugins/ligerSpinner.js" type="text/javascript"></script>

<%if(session.getAttribute("employ")==null){%>
   <script type="text/javascript">
      window.parent.location.href="Login.jsp";
   </script>
 <% return;} %>
<%--  <%@include file="head.jsp"%> --%>
<script type="text/javascript">
var parent = window.location.href.split("&")[0].split("=")[1];
var parm = window.location.href.split("&")[1].split("=")[1];
var flag=false;
var indexCount=1;
var rowCount=0;
var colCount=0;
    var product={};
    $(function() {
        //$('.l-grid-loading').show();

        $.ajax({
            url:"DetailList",
            dataType:"json",
            type:"POST",
            data:{
                "parent":parent,
                "parm":parm
              },
            async: true,
            cache: false,
            success:function(json){
                if(json.length == 0){
                    product.Rows=[];
                }else{
                    product.Rows=json.details;
                }
                $('.l-grid-loading').hide();
                f_initGrid(); 
                $("#add").show();
                $("#delete").show();
                $("#submit").show();
                f_success();
            },
            beforeSend :function(){
                
            }
              })
    })     ;
    var manager, g;
    function f_initGrid()
    { 
        g = manager = $("#maingrid").ligerGrid({
            columns: [
            { display: 'a', align:'center',name: 'komoku',  90, type: 'int', editor:{type: 'int'}, 
                render: getValue
            },
            { display: 'b', align:'center', name: 'komokuName',200, editor: { type: 'text' },
                render: getValue
            },
            { display: 'c', align:'center', name: 'number',80, editor: { type: 'text' },
                render: getValue
            },
            { display: 'd', align:'center', name: 'remark',300, editor: { type: 'text' },
                render: getValue
            }
            ],
            onSelectRow: function (rowdata, rowindex)
            {
                $("#txtrowindex").val(rowindex);
            },
            dataAction: 'local',
            /* rownumbers:true, */
            enabledSort: false,
            enabledEdit: true, 
            clickToEdit: true, 
            checkbox:false,
            usePager :false,
            allowHideColumn: false,
            allowUnSelectRow: true,
            onBeforeSubmitEdit: f_onBeforeSubmitEdit,
            onBeforeEdit: f_onAfterEdit,
            onAfterAddRow:f_onAfterAddRow,           
            718,
            height:"88%",
            data:product
                       
        });     
    }
    function getValue(r, c, v, i) {
        if(v==""||!v){
            v="_";
            return "_";
        }else{
            return v;
        }
    }
    function f_onBeforeSubmitEdit(e) {
        
    }
    function f_onAfterEdit(e) {
        rowCount=e.rowindex;
        colCount=e.column.columnindex;
       if (e.column.name=="number" || e.column.name=="remark" ) {
            flag=true;
       }
     
    }
    // 添加行时
     function f_onAfterAddRow(e) {
     
    } 
    // 初始第一行
  function f_success() {
      var len = manager.rows.length;
      if(len == 0){
          manager.addRow({
                komoku:"001",
                komokuName:"_",
                number:"_",
                remark:"_"
                
            });        
      } 
}
    //  补齐
    Number.prototype.Left3=function(){
          if(this.toString().length>3)return this.toString().substr(0,3);
          else{
            var str=this.toString();
            for(var i=0;i<=3-str.length;i++)str="0"+str;
            return str;
          }
        }
    // 添加新行
    function addNewRow() {
         var len = manager.rows.length;
         indexCount=indexCount+1;        
        manager.addRow({
            komoku:indexCount.Left3(),   
            komokuName:"_",
            number:"_",
            remark:"_"
            
        }) 
        var row = manager.getRow(len);
        // 把焦点放到最后一行
        var gridTr=manager.getRowObj(len);
        manager._applyEditor($(gridTr).children()[1]);
      //滚动条置底
        $(".l-grid-body").scrollTop($(".l-grid-body")[0].scrollHeight);
    }
    // 获得选中行
    function getSelected() {
        $('.l-grid-loading').show();
        var allRows = manager.getSelectedRows();
    }
    // 获得所有数据
    function getData()
    { 
        if (manager.getRow(0)==null) {
            alert("添加行");
            return ;
        }
        // 插入数据之前把空值替换成"_";
        var data = manager.getData();
        for (var i = 0; i < data.length; i++) {
            data[i].komoku=data[i].komoku==""?"_":data[i].komoku;
            data[i].komokuName=data[i].komokuName==""?"_":data[i].komokuName;
            data[i].number=data[i].number==""?"_":data[i].number;
            data[i].remark=data[i].remark==""?"_":data[i].remark;
        }
        $('#my > .l-grid-loading').html("登陆中...");
        $('#my > .l-grid-loading').show();
        
        var jsonData=JSON.stringify(data);
        $.ajax({
            url:"makeDetailInfoAction",
               type:"post",
               dataType:"json",
               data:{  
                   "filename":parm,
                   "project":parent,
                   "json":jsonData
               },
               success:function (data){
                   $("#my > .l-grid-loading").hide();
                   if (data=="false") {
                    alert("没有权限");
                    return;
                }
                   if(data=="0"){                                  
                       $.ligerDialog.success('登陆完成');
                       setInterval("location.reload();",1000); 
                   }else {
                    
                }
                  
               },error:function (){  // 返回值存在问题
                   
               }
        });
    } 
    // 删除行
     function deleteRow()
     { 
         if(manager.selected == ""){
             //alert("请选择要删除的行")
             $.ligerDialog.warn('请选择要删除的行');
         }else{
            $.ligerDialog.confirm('删除吗', function (yes)
            {
               if(yes){
                  manager.deleteSelectedRow(); 
                }
            });
         }// end else
     }
</script>

</head>
<body style="position:relative" id="my">
  <div class="l-grid-loading" style="display: block;" id="load">正在添加</div> 
<!--  <div class="l-clear"></div> -->
   <div id="ZJ" style="position:absolute;float:right;margin-left:710px;margin-top: 2px;">
        <input id="add" type="button" onclick="addNewRow()" value="添加" tabindex="-1"  style=" 65px;height: 26px;display: none;margin-left: 22px;" />
    </div>
  <div id="maingrid"></div> <br /> 
   <input type="button" id="delete" class="xdCl" onclick="deleteRow()" value="删除" style=" 65px;height: 26px;display: none;"  /> 
  <input type="button" id="submit" class="xdCl" onclick="getData()" value="登陆" style=" 65px;height: 26px;display: none;margin-left: 657px;"  />
 
  <div  id="clear" style="display:none;">
</div>
<script type="text/javascript">
document.onkeydown=function(event){
    var e = event || window.event || arguments.callee.caller.arguments[0];
   
    if(e && e.keyCode==13){ // enter 键     
         $("#maingrid").click();  // 取消焦点
        if (flag) {      
                 addNewRow();            
                 flag=false;
            }
        
    }

if(e && e.keyCode==9){ //tab 键
　　var leng=manager.rows.length;
　　$("#maingrid").click();
　　if (rowCount<leng) {
　　var gridTr=manager.getRowObj(rowCount);
　　if (colCount<3) {
　　manager._applyEditor($(gridTr).children()[colCount+1]);
　　}else if(colCount==3){ // 焦点移到下一行
　　colCount=0;
　　rowCount=rowCount+1;
　　if (rowCount<leng) {
　　gridTr=manager.getRowObj(rowCount);
　　manager._applyEditor($(gridTr).children()[colCount]);
}
flag=false;
}
}

}


}; 
</script>
</body>
</html>

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原文地址：https://www.cnblogs.com/heyesp/p/4499872.html