jquery页面全选框实践代码_jquery



代码如下:






demo

全选
去
啊
我
饿

//http://www.cnblogs.com/libsource
(function($){
$.allcheck=function(options){
_defaults = {
allcheckid:"allcheck",
checkboxname:'record'
};
o = $.extend(_defaults,options);
_allck=$("#"+o.allcheckid);
_tbl=_allck.parents("table");
//返回所有选中checkbox的id集合
checkedIds=function () {
var ids = "";
$("input[name=" + o.checkboxname + "]").each(function() {
if ($(this).attr("checked"))
ids += $(this).val() + ",";
});
return ids.replace(/,$/,'');
}
//返回所有选中checkbox的key属性集合
checkedKeys=function (key) {
var ids = "";
$("input[name=" + o.checkboxname + "]").each(function() {
if ($(this).attr("checked"))
ids += $(this).attr(key) + ",";
});
return ids.replace(/,$/,'');
}
//返回所有选中checkbox的文本集合
checkedTexts=function () {
var txts = "";
$("input[name=" + o.checkboxname + "]").each(function() {
if ($(this).attr("checked"))
txts += gtrim($(this).parent().text()) + ",";
});
return txts.replace(/,$/,'');
}
gtrim=function (txt) {
return txt.replace(/(^\s*)|(\s*$)/g, "");
}
//设置所有选中checkbox的id集合
setCheckedIds=function (checkids) {
checkids = ","+checkids+",";
$("input[name=" + o.checkboxname + "]").each(function() {
if (checkids.match(","+$(this).val()+","))
$(this).attr("checked","checked");
});
}
//检查所有checkbox是否全选
_checkAll=function () {
if (this.checked && $("input:checkbox:not([checked]):not(#" + o.allcheckid + ")", _tbl).length == 0)
_allck[0].checked = true;
else
_allck[0].checked = false;
}

//全选checkbox状态
_setAllChecked=function () {
if (!this.checked)
$("input:checkbox", _tbl).removeAttr("checked");
else
$("input:checkbox", _tbl).not(this).attr("checked", "checked");
}
_allck.click(_setAllChecked);
$("input:checkbox[name="+o.checkboxname+"]").each(function(){$(this).click(_checkAll);});
return {checkedIds:checkedIds,checkedKeys:checkedKeys,checkedTexts:checkedTexts,setCheckedIds:setCheckedIds};
};
})(jQuery);


var ob=$.allcheck({allcheckid:'allcheck1'});
//设置选项allcheckid checkboxname
//取返回值可以调用checkedIds,checkedKeys,checkedTexts