SOURCE

let arr = [1,2,3,4,5]

function handleA(eval){
     return new Promise(async (resolve, reject) => {
         try{
          resolve({
              RESULT_DATA:eval
          })
         }catch(err) {
             reject(err)
         }
      })
}

// 当符合条件时 停止循环 不往下执行
 function handleB() {
    return new Promise( (resolve,reject) => {
         try{
           arr.map(async (item,idx) => {
               const {RESULT_DATA} = await handleA(item)
                if(RESULT_DATA > 2) {
                   return reject('失败')
                }
                console.log(RESULT_DATA)
                if(idx >= arr.length - 1) {
                    resolve()
                }   
           })
         }catch(err) {
             reject(err)
         }
      }) 
 }


 handleB()