关于vue.js:vue中常用的utiljs工具函数

获取屏幕缩放比

getDeviceRatio(){ 
    var isAndroid = window.navigator.appVersion.match(/android/gi); 
    var isIPhone = window.navigator.appVersion.match(/iphone/gi); 
    var devicePixelRatio = window.devicePixelRatio; 
    var dpr; 
    if (isIPhone) { 
        // iOS下，对于2和3的屏，用2倍的计划，其余的用1倍计划
         if (devicePixelRatio >= 3) {
              dpr = 3; 
            } else if (devicePixelRatio >= 2){ 
                dpr = 2; 
            } else { 
                dpr = 1; } 
            } else { // 其余设施下，仍旧应用1倍的计划 
                dpr = 1; 
            } 
            return dpr 
        }

获取URL的参数，返回一个对象

getRequest() {
      
      const url = location.search; //获取url中"?"符后的字串
      let theRequest = new Object();
      if (url.indexOf("?") != -1) {
        let str = url.substr(1);
       let strs = str.split("&");
        for (let i = 0; i < strs.length; i++) {
          theRequest[strs[i].split("=")[0]] = unescape(strs[i].split("=")[1]);
        }
      }
      return theRequest;
    }