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主页 / 问题 / 1301333
Accepted
Spartak
Spartak
Asked:2022-07-02 21:11:30 +0000 UTC2022-07-02 21:11:30 +0000 UTC 2022-07-02 21:11:30 +0000 UTC

如何通过原生js迭代多维json?

  • 772

编码

let raskroy_json = {
  "1": {
    "korobka_name": "КСМ1",
    "raskroy": [{
      "profil_number": 1,
      "details": [{
        "detail_id": 2061,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2062,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2060,
        "order_item_id": 337,
        "size": 806,
        "type": false,
        "zapils_count": 2
      }]
    }, {
      "profil_number": 2,
      "details": [{
        "detail_id": 2063,
        "order_item_id": 337,
        "size": 806,
        "type": false,
        "zapils_count": 2
      }, {
        "detail_id": 2058,
        "order_item_id": 337,
        "size": 2016,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2059,
        "order_item_id": 337,
        "size": 2016,
        "type": false,
        "zapils_count": 1
      }]
    }]
  },
  "2": {
    "korobka_name": "КСМ4",
    "raskroy": [{
      "profil_number": 1,
      "details": [{
        "detail_id": 2064,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2065,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2066,
        "order_item_id": 337,
        "size": 806,
        "type": false,
        "zapils_count": 2
      }]
    }, {
      "profil_number": 2,
      "details": [{
        "detail_id": 2067,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2068,
        "order_item_id": 337,
        "size": 2015,
        "type": false,
        "zapils_count": 1
      }, {
        "detail_id": 2069,
        "order_item_id": 337,
        "size": 806,
        "type": false,
        "zapils_count": 2
      }]
    }, {
      "profil_number": 3,
      "details": []
    }]
  }
}


console.log("Перебираем raskroy_json...");
for (let key in raskroy_json) {
  console.log("item", key, raskroy_json[key]);
  for (let detail in raskroy_json[key]['raskroy']['details']) {
    console.log("пробуем перебрать каждую деталь...");
    console.log("деталь: ", 'detail', raskroy_json[key]['raskroy']['details'][detail]);
  }
}

第一个循环有效,第二个循环不给控制台任何东西。你哪里做错了?我需要依次详细获取每个对象以便处理它们。

javascript
  • 2 2 个回答
  • 10 Views

2 个回答

  • Voted
  1. Best Answer
    user176262
    2022-07-02T21:24:18Z2022-07-02T21:24:18Z

    raskroy_json[key]['raskroy']这是一个数组。

    const raskroy_json = {
        "1": {
            "korobka_name": "КСМ1",
            "raskroy": [{
                "profil_number": 1,
                "details": [{
                    "detail_id": 2061,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2062,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2060,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 2,
                "details": [{
                    "detail_id": 2063,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }, {
                    "detail_id": 2058,
                    "order_item_id": 337,
                    "size": 2016,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2059,
                    "order_item_id": 337,
                    "size": 2016,
                    "type": false,
                    "zapils_count": 1
                }]
            }]
        },
        "2": {
            "korobka_name": "КСМ4",
            "raskroy": [{
                "profil_number": 1,
                "details": [{
                    "detail_id": 2064,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2065,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2066,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 2,
                "details": [{
                    "detail_id": 2067,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2068,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2069,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 3,
                "details": []
            }]
        }
    }
    
    console.log("Перебираем raskroy_json...");
    for (let key in raskroy_json) {
      //console.log("item", key, raskroy_json[key]);
      for (let i = 0; i < raskroy_json[key]['raskroy'].length; i++) 
        for (let detail in raskroy_json[key]['raskroy'][i]['details']) {
             console.log("пробуем перебрать каждую деталь...");
             console.log("деталь: ", 'detail', raskroy_json[key]['raskroy'][i]['details'][detail]);
        }
    }

    • 1
  2. drummir
    2022-07-02T21:27:34Z2022-07-02T21:27:34Z
    const json = {
        "1": {
            "korobka_name": "КСМ1",
            "raskroy": [{
                "profil_number": 1,
                "details": [{
                    "detail_id": 2061,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2062,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2060,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 2,
                "details": [{
                    "detail_id": 2063,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }, {
                    "detail_id": 2058,
                    "order_item_id": 337,
                    "size": 2016,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2059,
                    "order_item_id": 337,
                    "size": 2016,
                    "type": false,
                    "zapils_count": 1
                }]
            }]
        },
        "2": {
            "korobka_name": "КСМ4",
            "raskroy": [{
                "profil_number": 1,
                "details": [{
                    "detail_id": 2064,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2065,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2066,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 2,
                "details": [{
                    "detail_id": 2067,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2068,
                    "order_item_id": 337,
                    "size": 2015,
                    "type": false,
                    "zapils_count": 1
                }, {
                    "detail_id": 2069,
                    "order_item_id": 337,
                    "size": 806,
                    "type": false,
                    "zapils_count": 2
                }]
            }, {
                "profil_number": 3,
                "details": []
            }]
        }
    }
    
    console.log("Перебираем raskroy_json...");
    for(const el of Object.values(json)) {
        for(const sub_el of el['raskroy']) {
        console.log("пробуем перебрать каждую деталь...");
          for(const detail of sub_el['details']) {
            console.log("деталь: ", 'detail', detail);
          }
      }
    }
    
    • 0

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