更新购物车某个产品数量

{ "status": 200, "data": { "cartProductVos": [ { "id": 125, "userId": 21, "productId": null, "quantity": 3, "productSubtitle": "4", "productMainImage": "4", "productPrice": 4, "productStock": 60, "productStatus": 1, "productTotalPrice": 12, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "方法是" }, { "id": 128, "userId": 21, "productId": null, "quantity": 1, "productSubtitle": "1", "productMainImage": "1", "productPrice": 1, "productStock": 100, "productStatus": 1, "productTotalPrice": 1, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "苹果" }, { "id": 129, "userId": 21, "productId": null, "quantity": 3, "productSubtitle": "3", "productMainImage": "3", "productPrice": 3, "productStock": 100, "productStatus": 1, "productTotalPrice": 9, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "搜索" } ], "allChecked": true, "cartTotalPrice": 22 } }{ "status": 200, "data": { "cartProductVos": [ { "id": 125, "userId": 21, "productId": null, "quantity": 3, "productSubtitle": "4", "productMainImage": "4", "productPrice": 4, "productStock": 60, "productStatus": 1, "productTotalPrice": 12, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "方法是" }, { "id": 128, "userId": 21, "productId": null, "quantity": 1, "productSubtitle": "1", "productMainImage": "1", "productPrice": 1, "productStock": 100, "productStatus": 1, "productTotalPrice": 1, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "苹果" }, { "id": 129, "userId": 21, "productId": null, "quantity": 3, "productSubtitle": "3", "productMainImage": "3", "productPrice": 3, "productStock": 100, "productStatus": 1, "productTotalPrice": 9, "productChecked": 1, "limitQuantity": "LIMIT_NUM_SUCCESS", "productName": "搜索" } ], "allChecked": true, "cartTotalPrice": 22 } }

更新购物车某个产品数量

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