wx.cloud.callFunction({             name: 'mcdh',             data: {                 yname: 'select-kd',                 ckid:ckid             }         }).then(res => {             console.log(res.result.data)             var qb = res.result.data             console.log(diz)             console.log(qb[0].dinhuo[0].diz)             console.log(app.format("dd-MM-yyyy"))             console.log(qb[0].dinhuo[0].nid.split('.')[0])             if (qb[0].dinhuo[0].diz == diz) {                 btrue = "1"                 console.log("wjl;l")             } else {                 btrue = "2"             }         }).catch(err => {             console.log(err)         })         console.log(btrue)    return btrue btrue 赋值一直为undefined 查询语句没有错误,console.log("wjl;l")也能打印

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