common.js

来自「初稿」· JavaScript 代码 · 共 53 行

//页面DIV居中效果
function Center(ControlID)
{
    var myobj=document.getElementById(ControlID);
    var bodyhh=document.body.clientHeight;
    var bodyww=document.body.clientWidth;
    var objhh=myobj.clientHeight;
    var objww=myobj.clientWidth;
    myobj.style.top=(bodyhh-objhh)/2;
    myobj.style.left=(bodyww-objww)/2;
}


//关闭当前页面窗体
function Close()
{
    window.close();
}


//选中或反选Table下的全部CheckBox
function SelectAll(obj, controlName) 
{
    var flg = obj.checked;
    var tbl = document.getElementById(controlName);
    if (tbl != null){
        for(i=1; i < tbl.rows.length; i++) { 
            var chkBox = tbl.rows[i].firstChild.firstChild;
            if(chkBox != null && chkBox.type =="checkbox") {
                chkBox.checked = flg;
            }
        }
    }
}

//页面跳转数字判断
function checkPageSize(obj,pageNum) 
{    
    if (isNaN(obj.value))
    {
        alert('页码请输入数字');
        obj.focus();
        obj.select();
    }
    if (obj.value > pageNum)
    {
        obj.value = pageNum;
    }
    if(obj.value <= 0)
    {
        obj.value = 1;
    }
}