python格式化json文件_pycharm对齐线

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1.json文件保存

将数据保存为json格式，并存储到.json文件中，需要注意键值对均用双引号，而非单引号。
样例如下所示：

{ 
   "sampleDB": { 
   "shippedVsCustDemand": [{ 
   "CUSTOMER": "customer1", "ITEM": "desk", "SUPPLIEDQTY": 25, "DEMANDQTY": 3}, { 
   "CUSTOMER": "customer1", "ITEM": "drawer", "SUPPLIEDQTY": 15, "DEMANDQTY": 12}, { 
   "CUSTOMER": "customer1", "ITEM": "table", "SUPPLIEDQTY": 52, "DEMANDQTY": 6}, { 
   "CUSTOMER": "customer2", "ITEM": "end table", "SUPPLIEDQTY": null, "DEMANDQTY": 5}, { 
   "CUSTOMER": "customer2", "ITEM": "leg", "SUPPLIEDQTY": null, "DEMANDQTY": 10}, { 
   "CUSTOMER": "customer2", "ITEM": "round table", "SUPPLIEDQTY": null, "DEMANDQTY": 15}, { 
   "CUSTOMER": "customer3", "ITEM": "desk", "SUPPLIEDQTY": null, "DEMANDQTY": 21}, { 
   "CUSTOMER": "customer3", "ITEM": "desk top", "SUPPLIEDQTY": null, "DEMANDQTY": 14}, { 
   "CUSTOMER": "customer3", "ITEM": "end table", "SUPPLIEDQTY": 1, "DEMANDQTY": 7}], "totalManufItems": [{ 
   "ITEM": "desk", "TOTALMANUFQTY": 25}, { 
   "ITEM": "end table", "TOTALMANUFQTY": 155}]}}

2.组合键

在pycharm中，使用组合键ctrl+alt+L进行格式化。
效果如下所示：

{ 
   "sampleDB": { 
   "shippedVsCustDemand": [{ 
   "CUSTOMER": "customer1", "ITEM": "desk", "SUPPLIEDQTY": 25, "DEMANDQTY": 3},
                                      { 
   "CUSTOMER": "customer1", "ITEM": "drawer", "SUPPLIEDQTY": 15, "DEMANDQTY": 12},
                                      { 
   "CUSTOMER": "customer1", "ITEM": "table", "SUPPLIEDQTY": 52, "DEMANDQTY": 6},
                                      { 
   "CUSTOMER": "customer2", "ITEM": "end table", "SUPPLIEDQTY": null,
                                       "DEMANDQTY": 5},
                                      { 
   "CUSTOMER": "customer2", "ITEM": "leg", "SUPPLIEDQTY": null, "DEMANDQTY": 10},
                                      { 
   "CUSTOMER": "customer2", "ITEM": "round table", "SUPPLIEDQTY": null,
                                       "DEMANDQTY": 15},
                                      { 
   "CUSTOMER": "customer3", "ITEM": "desk", "SUPPLIEDQTY": null, "DEMANDQTY": 21},
                                      { 
   "CUSTOMER": "customer3", "ITEM": "desk top", "SUPPLIEDQTY": null,
                                       "DEMANDQTY": 14},
                                      { 
   "CUSTOMER": "customer3", "ITEM": "end table", "SUPPLIEDQTY": 1, "DEMANDQTY": 7}],
              "totalManufItems": [{ 
   "ITEM": "desk", "TOTALMANUFQTY": 25}, { 
   "ITEM": "end table", "TOTALMANUFQTY": 155}]}}

参考：
[1] https://www.it610.com/article/1295759947937685504.htm