export default {
	getSetting:function(){
		let settingstr=uni.getStorageSync('$settings'); //不存在时是空串
		//console.log(settingstr.length);
		return settingstr?JSON.parse(settingstr):null;
	},
	setSetting:function(setting){
		setting = setting || {};
		uni.setStorageSync('$settings', JSON.stringify(setting));
	},
	addSetting:function(setting){
		let settingObj=this.getSetting()||{};
		this.extend(settingObj,setting);
		this.setSetting(settingObj);
	},
	putSetting:function(key,val){
		let settingObj=this.getSetting()||{};
		settingObj[key]=val;
		this.setSetting(settingObj);
	},
	takeSetting:function(key){
		let setting=this.getSetting()||{};
		return setting[key];
	},
	clearSetting:function(){
		uni.clearStorageSync();
	},
	extend:function(srcObj,refObj){
		for(let attr in refObj){
			srcObj[attr]=refObj[attr];
		}
	},
	setPullRefresh:function(supportIf){
		const pages=getCurrentPages();
		const page=pages[pages.length-1];
		const currentWebview=page.$getAppWebview();
		currentWebview.setPullToRefresh({support:supportIf})
	},
	getURLParams:function(){
		//console.log(location)
		let urlParam=location.search.substr(1)
		//console.log(urlParam)
		if(!urlParam||urlParam.length==0){  //hash路由模式
			urlParam=location.hash?location.hash.substr(location.hash.lastIndexOf('?')+1):''
		}
		let str=urlParam.split("&")
		let param={},entity=null;
		for(let i=0,len=str.length;i<len;i++){
			entity=str[i].split("=");
			param[entity[0]]=decodeURI(entity[1]);
		}
		return param;
	}		
	
}