methods: { detail(){ this.api({ method: 'get', url:  `/xxxxxxt/${this.taskInfo.task_allot_id}` },res => { this.formData = res this.imageUrl = res.attach_address }) },     submitTask() { this.btndisabled = true if(this.$refs.files.files.length==0){ uni.showToast({   title: '请选择凭证',   icon:'success' }); this.btndisabled = false return } let file = this.$refs.files.files[0] uni.showLoading() this.api({ method: 'post', url:  `/xxxxx`, data: this.formData },res => { this.uploadApi({ url: `/xxxxx/${this.taskInfo.task_allot_id}`, file: file },res => { this.detail() uni.showToast({   title: '提交成功',   icon:'success' }); setTimeout(() => { uni.navigateBack({ delta: 1 }) }, 1000) }) }) setTimeout(() => { uni.hideLoading()     this.btndisabled = false }, 2500)     }   }