前端数据一个json对象包含多个json对象，传后端数据传不到？

Question

cart: {
     carId: 0,
     carState: '',
     carType: '',
    plateNum: '',
    stall: {
       area: {
           address: '',
           areaId: 0,
          areaName: '',
          areaNum: '',
           stallCount: 0
        },
    areaId: 0,
    stallId: 0,
    stallNum: '',
    stallState: '',
    userId: 0
    },
        
        userId: 0
    }
}

Answer 1

接收的类型要对应，以及属性名。