javascriptinput自动赋值.doc

JS(还需要jquery1.5以上版本): /* jQuery inputEvaluation Plugin * 自动给input(除file)赋值.* 好处:不用显式的页面上的input赋值，可以直接从后台传递过来json串* 缺点:会导致form的reset的reset方法失去意义.* jquery 版本不能低于1.5* Copyright(c) 2012 bysag* Email:* msn:zhengyun_* Version: 1.0*/(function($)$.fn.inputEvaluation=function(options)if(options!=null&$.trim(options).length0)var options_json_obj ;tryif($.type(options)=string)options_json_obj = $.parseJSON(options);else if($.type(options)=object|$.type(options)=array)options_json_obj = options;elsealert(error options is not string,object,array.);var json_obj_length = options_json_obj.length;if(json_obj_length!=undefined)/,.for(var i=0;ijson_obj_length;i+) /wait Version 2.0 .else/ for(var key in options_json_obj)var input_obj = $(this).find(:input);var input_length = input_obj.length;for(var j=0;jinput_length;j+)var sub_input_obj = $(input_objj);/input objif($.trim(sub_input_obj.attr(name)=$.trim(key)var type = sub_input_obj.attr(type);var json_value =$.trim(options_json_objkey);/json valueif(type=text|type=hidden|type=button|type=submit|type=reset|type=password)$(sub_input_obj).attr(value,json_value);else if(type=checkbox)var input_value = sub_input_obj.attr(value);if(json_value.indexOf(,)!=-1)/ checkbox manyvar array_json_value = json_value.split(,);for(var k=0;karray_json_value.length;k+)if($.trim(input_value)=array_json_valuek)$(sub_input_obj).attr(checked,checked);elseif($.trim(input_value)=json_value) $(sub_input_obj).attr(checked,checked);else if(type=radio)var input_value = sub_input_obj.attr(value);if($.trim(input_value)=json_value) $(sub_input_obj).attr(checked,checked);else if(type=textarea)$(sub_input_obj).val(json_value);else if(type=select-one|type=select-multiple)$.each($(sub_input_obj).children(),function(i,obj)if(json_value.indexOf(,)!=-1)var s_array = json_value.split(,);for(var h=0;hs_array.length;h+)if(s_arrayh=$.trim($(obj).attr(value)$(obj).attr(selected,selected);else if(json_value=$.trim($(obj).attr(value)$(obj).attr(selected,selected); ); catch(e)alert(error: options +e+. example:title:1);elsealert(error: options is null or length=0.);)(jQuery);Html:inuptEvaluation Test 1 2 3 1 2 3 $(function() $(#updateform).inputEvaluation($.parseJSON(id:2,name:1,rad:2,chec:3,chec1:3,4,bu:bu,sub:sub,res:res,sel:2,3,selone:3,tarea:1333);/*或者如下$(function()