// 选择学校bindSchoolChange: function(e) {let schoolArray = this.data.schoolArray;let onlyArray = this.data.onlyArray;let schoolIndex = this.data.schoolIndex;console.log('picker发送选择改变，携带值为', e.detail.value)let school = schoolArray[e.detail.value[0]].school[e.detail.value[1]]this.setData({school:school})},