JS插件demo

这个demo是模仿bootstrap的fileinput模式创造的，源码精神Github:https://github.com/EditFly/JS-DIY-plugin

页面

    
    
    
    



测试
清空

JS

(function(){
 console.log("##################PLUGIN-TEST########################");
 
 var PluginTest;
 
 PluginTest=function(event,param){//构造器
     var self=this;
      self.$event=$(event);
      self.init(param);
 }
 PluginTest.prototype={//方法栈
     
     init:function(param){
         console.log("PluginTest init<");
         var self=this;
         $.each(param,function(key,value){//遍历并设置属性
             switch(key){
                 default: self[key]=value;break; 
                 case "xxx":break;//
             }
         });
         self.selfAction();
     },
     raise:function(option,param){
         var self=this,e;
         e=$.Event(option);
         self.$event.trigger(e,param);       
     },
     getExtraParams:function(){
         console.log("getExtraParams<");
         var self=this,data= self.extraParams;
         return data({retval:{type:'zzz',id:001},id:'123321'});
     },
     clear:function(){
        var self=this;
        console.log(self);
        self.$event.val('');    
     },
     upload:function(){
         console.log("begin upload<");
         var self=this,data; 
         data=self.getExtraParams();
         console.log("before upload plugin get extraParams:");
         console.log(data);
     },
     selfAction:function(){//自身方法 注意作用域
         var self=this;
         self.$event.click(function(){
             console.log("点击了");
             self.raise("select",true);
             self.raise("PTclick",self.$event.val());
         })
         
     } 
 }
 //still useless
 PluginTest.default={
     extraParams:{}
     //...
 }
 
 
 $.fn.pluginTest=function(option){//调度中心
     var self=$(this)//jquery化 
     ,data,retvals=[];
     var options = typeof option === 'object' && option;//
     if(option){
            data=self.data('PluginTestObj');
                if(!data){
                    var opt=$.extend(true,{},$.fn.pluginTest.default,options,data);
                    data=new PluginTest(self,opt);
                    self.data('PluginTestObj',data);
                }else{
                    if(typeof option==='string'){
                        retvals.push(data[option].apply(data));//注意作用域,作用域:默认window  参数:
                    }
                }
                switch(retvals.length){
                    default: return retvals;break;
                    case 0 :return self;break;
                    case 1 :return retvals[0];break;
                }
         }
         
     }
     
     $.fn.pluginTest.default={
     extraParams:{}
     //...
 }
 
 $.fn.pluginTest.Constructor = PluginTest;
 
 })();