/** * 用于递归判断两个对象是否一致，以区分是否修改 * @param {*} oldObj  * @param {*} newObj  * 返回false：不相等 */export function objsDiffer(oldObj, newObj){  let aProps = Object.getOwnPropertyNames(oldObj);  let bProps = Object.getOwnPropertyNames(newObj);  if (aProps.length != bProps.length) {      return false;  }  //return 时for中断  for (var i = 0; i < aProps.length; i++) {      let propName = aProps[i];      let propA = oldObj[propName];      let propB = newObj[propName];      if (propA == propB) {        if (  propA instanceof Object ) {          if (!objsDiffer(propA, propB)) {            return false          }        } else if ( propA instanceof Array && propB instanceof Array ) {          if( propA.length != propB.length ){            return false          }          let tem = arrDiffer(propA, propB)          if(!tem) return false;        }      } else {        return false      }  }  return true;}/** * 返回false 表示不相等 */export function arrDiffer(oldObj, newObj){  for (var i = 0; i < oldObj.length; i++) {      let propA = oldObj[propName];      let propB = newObj[propName];      if (propA == propB) {        if ( propA instanceof Object) {          if (!objsDiffer(propA, propB)) {            return false          }        } else if ( propA instanceof Array && propB instanceof Array ) {          if( propA.length != propB.length ){            return false          }          let temp =  arrDiffer(propA, propB)          if(!temp) return false        }      } else {        return false      }  }  return true}复制代码