.NET 树型递归
/// <summary>
/// 获取全部水价标准模型
/// </summary>
/// <returns></returns>
public IEnumerable<WaterPriceTreeDto> GetWaterListAll()
{
//全部数据
List<WaterPriceTreeDto> TreeList = JsonAnalysisHelper.ReadObjectByJsonList<WaterPriceTreeDto>(Consts.WaterPrice);
List<WaterPriceTreeDto> listdd = CreateChildTree(TreeList, "-1");
return listdd;
}
/// <summary>
/// 递归生成子树
/// </summary>
/// <param name="TreeList"></param>
/// <param name="jt"></param>
/// <returns></returns>
public List<WaterPriceTreeDto> CreateChildTree(List<WaterPriceTreeDto> TreeList, string ppid)
{
List<WaterPriceTreeDto> nodeList = new List<WaterPriceTreeDto>();
var children = TreeList.Where(t => t.ParentGuidId == ppid).ToList();
foreach (var chl in children)
{
WaterPriceTreeDto node = new WaterPriceTreeDto()
{ CreateId = chl.CreateId,
CreateTime = chl.CreateTime,
DrainagePrice = chl.DrainagePrice,
GuidId = chl.GuidId,
Integrated = chl.Integrated,
IsNotTitle = chl.IsNotTitle,
ParentGuidId = chl.ParentGuidId,
RealWaterPrice = chl.RealWaterPrice,
Sorting = chl.Sorting,
UpdateId = chl.UpdateId,
UpdateTime = chl.UpdateTime,
WaterPriceName = chl.WaterPriceName,
YearWaterNumber = chl.YearWaterNumber,
ChildWaterPrice = CreateChildTree(TreeList, chl.GuidId)
};
nodeList.Add(node);
}
return nodeList;
}
namespace WA.Mx.Model
{
[Serializable]
[DataContract(Namespace = Consts.NAMESPACE + "/Model/Mobile")]
public class WaterPriceTreeDto
{
/// <summary>
/// 主键ID
/// </summary>
[DataMember(Name = "guidId")]
public string GuidId { get; set; }
/// <summary>
/// 父节点
/// </summary>
[DataMember(Name = "parentGuidId")]
public string ParentGuidId { get; set; }
/// <summary>
/// 名称
/// </summary>
[DataMember(Name = "waterPriceName")]
public string WaterPriceName { get; set; }
/// <summary>
///
/// </summary>
[DataMember(Name = "yearWaterNumber")]
public string YearWaterNumber { get; set; }
/// <summary>
/// 水价
/// </summary>
[DataMember(Name = "realWaterPrice")]
public string RealWaterPrice { get; set; }
/// <summary>
/// 排水价格
/// </summary>
[DataMember(Name = "drainagePrice")]
public string DrainagePrice { get; set; }
/// <summary>
/// 综合
/// </summary>
[DataMember(Name = "integrated")]
public string Integrated { get; set; }
/// <summary>
/// 排序
/// </summary>
[DataMember(Name = "sorting")]
public int Sorting { get; set; }
/// <summary>
/// 创建人
/// </summary>
[DataMember(Name = "createId")]
public int CreateId { get; set; }
/// <summary>
/// 创建时间
/// </summary>
[DataMember(Name = "createTime")]
public DateTime CreateTime { get; set; }
/// <summary>
/// 更新人
/// </summary>
[DataMember(Name = "updateId")]
public int UpdateId { get; set; }
/// <summary>
/// 更新时间
/// </summary>
[DataMember(Name = "updateTime")]
public DateTime UpdateTime { get; set; }
/// <summary>
/// 是否作为为标题展示
/// </summary>
[DataMember(Name = "isNotTitle")]
public bool IsNotTitle { get; set; }
[DataMember(Name = "childWaterPrice")]
public List<WaterPriceTreeDto> ChildWaterPrice { get; set; }
}
}
[
{
"GuidId": "e9ff4856f80c4b73a8b2071001609e8e",
"ParentGuidId": "-1",
"WaterPriceName": "居民用水",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T11:56:47.3020129+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T11:56:47.3020129+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "fa36ade34296459b89b51738b3ec4f43",
"ParentGuidId": "-1",
"WaterPriceName": "非居民生活用水",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T11:58:07.4149953+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T11:58:07.4149953+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "dc194593626642d49b676d2c3e0826fc",
"ParentGuidId": "-1",
"WaterPriceName": "特殊行业用水",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T11:58:28.4120591+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T11:58:28.4120591+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "6fa0e035374740348a077798bb231415",
"ParentGuidId": "e9ff4856f80c4b73a8b2071001609e8e",
"WaterPriceName": "（一）“一户一表”抄表到户用户",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T14:09:38.1511004+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T14:09:38.1511004+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "04925cbefc0c4a49b432e64266eb5fd4",
"ParentGuidId": "e9ff4856f80c4b73a8b2071001609e8e",
"WaterPriceName": "（二）非“一户一表”抄表到户用户",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T14:11:12.034984+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T14:11:12.034984+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "21886c1b4f6c459fa3a9878c5a22145e",
"ParentGuidId": "fa36ade34296459b89b51738b3ec4f43",
"WaterPriceName": "其中一般工商企业，机关事业单位",
"YearWaterNumber": "2.3333",
"RealWaterPrice": "2.35",
"DrainagePrice": "6.25",
"Integrated": "12.5",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-08-31T15:45:28.3128379+08:00",
"UpdateId": ,
"UpdateTime": "2017-08-31T15:45:28.3128379+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "10c0899ac58b460a92a300c42e1d36b6",
"ParentGuidId": "fa36ade34296459b89b51738b3ec4f43",
"WaterPriceName": "高污染企业",
"YearWaterNumber": "3.22",
"RealWaterPrice": "2.55",
"DrainagePrice": "1.22",
"Integrated": "2.44",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T09:33:37.0705111+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T09:33:37.0705111+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "a4138d814112418dba4400784bd51f5a",
"ParentGuidId": "6fa0e035374740348a077798bb231415",
"WaterPriceName": "1.第一级水量（每户每月17立方米（含）及以下的水量）",
"YearWaterNumber": "3.56",
"RealWaterPrice": "2.35",
"DrainagePrice": "3.65",
"Integrated": "3.26",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T09:36:50.8644865+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T09:36:50.8644865+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "9bb6468fb4e541628c9eac4a7f607390",
"ParentGuidId": "6fa0e035374740348a077798bb231415",
"WaterPriceName": "2.第二级水量（每户每月17至20立方米（含）的水量）",
"YearWaterNumber": "3.215",
"RealWaterPrice": "5.24",
"DrainagePrice": "3.65",
"Integrated": "3.26",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T09:37:36.0155814+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T09:37:36.0155814+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "8397f0e00bbd46b58b346b40405dc7a5",
"ParentGuidId": "6fa0e035374740348a077798bb231415",
"WaterPriceName": "3.第三级水量（每户每月20立方米及以上的水量）",
"YearWaterNumber": "2.15",
"RealWaterPrice": "5.24",
"DrainagePrice": "3.65",
"Integrated": "3.26",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T09:38:14.9451874+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T09:38:14.9451874+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "d25b1ea36e4f408aa3b9090b29c30e5b",
"ParentGuidId": "dc194593626642d49b676d2c3e0826fc",
"WaterPriceName": "特种行业用水",
"YearWaterNumber": "7.45",
"RealWaterPrice": "5.85",
"DrainagePrice": "1.6",
"Integrated": "2.5",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T10:07:53.6392384+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T10:07:53.6392384+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "3fc1f88f815e43e2a49f30d3497d1cd4",
"ParentGuidId": "04925cbefc0c4a49b432e64266eb5fd4",
"WaterPriceName": "（二）非“一户一表”抄表到户用户",
"YearWaterNumber": "2.5",
"RealWaterPrice": "3.5",
"DrainagePrice": "4.58",
"Integrated": "8.5",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T10:30:15.9228281+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T10:30:15.9228281+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "3ec4df7081084579a05a1ad694c35dc9",
"ParentGuidId": "-1",
"WaterPriceName": "",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T10:41:02.151885+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T10:41:02.151885+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "fec9f7cfd48942979422eb1422d8ae35",
"ParentGuidId": "-1",
"WaterPriceName": "",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T11:00:18.7410547+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T11:00:18.7410547+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "8e44a8581f0047b39f47d433a6a55428",
"ParentGuidId": "3ec4df7081084579a05a1ad694c35dc9",
"WaterPriceName": "第一个大标题",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T11:18:56.6462613+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T11:18:56.6462613+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "bfc8bda801724367a42373d7f977f573",
"ParentGuidId": "3ec4df7081084579a05a1ad694c35dc9",
"WaterPriceName": "第二个大标题",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T11:19:03.5742365+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T11:19:03.5742365+08:00",
"StateTag": null,
"IsNotTitle": true
},
{
"GuidId": "75d12b9ef6ea4b68a2040b3307412e46",
"ParentGuidId": "8e44a8581f0047b39f47d433a6a55428",
"WaterPriceName": "人员A属性",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T11:19:21.6070599+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T11:19:21.6070599+08:00",
"StateTag": null,
"IsNotTitle": false
},
{
"GuidId": "f4827a920894465aab6d50efec813cdb",
"ParentGuidId": "8e44a8581f0047b39f47d433a6a55428",
"WaterPriceName": "人员B属性",
"YearWaterNumber": "",
"RealWaterPrice": "",
"DrainagePrice": "",
"Integrated": "",
"Sorting": ,
"CreateId": ,
"CreateTime": "2017-09-01T11:19:32.8762545+08:00",
"UpdateId": ,
"UpdateTime": "2017-09-01T11:19:32.8762545+08:00",
"StateTag": null,
"IsNotTitle": false
}
]
[
{
"guidId": "e9ff4856f80c4b73a8b2071001609e8e",
"parentGuidId": "-1",
"waterPriceName": "居民用水",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T11:56:47.3020129+08:00",
"updateId": ,
"updateTime": "2017-08-31T11:56:47.3020129+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "6fa0e035374740348a077798bb231415",
"parentGuidId": "e9ff4856f80c4b73a8b2071001609e8e",
"waterPriceName": "（一）“一户一表”抄表到户用户",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T14:09:38.1511004+08:00",
"updateId": ,
"updateTime": "2017-08-31T14:09:38.1511004+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "a4138d814112418dba4400784bd51f5a",
"parentGuidId": "6fa0e035374740348a077798bb231415",
"waterPriceName": "1.第一级水量（每户每月17立方米（含）及以下的水量）",
"yearWaterNumber": "3.56",
"realWaterPrice": "2.35",
"drainagePrice": "3.65",
"integrated": "3.26",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T09:36:50.8644865+08:00",
"updateId": ,
"updateTime": "2017-09-01T09:36:50.8644865+08:00",
"isNotTitle": false,
"childWaterPrice": []
},
{
"guidId": "9bb6468fb4e541628c9eac4a7f607390",
"parentGuidId": "6fa0e035374740348a077798bb231415",
"waterPriceName": "2.第二级水量（每户每月17至20立方米（含）的水量）",
"yearWaterNumber": "3.215",
"realWaterPrice": "5.24",
"drainagePrice": "3.65",
"integrated": "3.26",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T09:37:36.0155814+08:00",
"updateId": ,
"updateTime": "2017-09-01T09:37:36.0155814+08:00",
"isNotTitle": false,
"childWaterPrice": []
},
{
"guidId": "8397f0e00bbd46b58b346b40405dc7a5",
"parentGuidId": "6fa0e035374740348a077798bb231415",
"waterPriceName": "3.第三级水量（每户每月20立方米及以上的水量）",
"yearWaterNumber": "2.15",
"realWaterPrice": "5.24",
"drainagePrice": "3.65",
"integrated": "3.26",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T09:38:14.9451874+08:00",
"updateId": ,
"updateTime": "2017-09-01T09:38:14.9451874+08:00",
"isNotTitle": false,
"childWaterPrice": []
}
]
},
{
"guidId": "04925cbefc0c4a49b432e64266eb5fd4",
"parentGuidId": "e9ff4856f80c4b73a8b2071001609e8e",
"waterPriceName": "（二）非“一户一表”抄表到户用户",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T14:11:12.034984+08:00",
"updateId": ,
"updateTime": "2017-08-31T14:11:12.034984+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "3fc1f88f815e43e2a49f30d3497d1cd4",
"parentGuidId": "04925cbefc0c4a49b432e64266eb5fd4",
"waterPriceName": "（二）非“一户一表”抄表到户用户",
"yearWaterNumber": "2.5",
"realWaterPrice": "3.5",
"drainagePrice": "4.58",
"integrated": "8.5",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T10:30:15.9228281+08:00",
"updateId": ,
"updateTime": "2017-09-01T10:30:15.9228281+08:00",
"isNotTitle": false,
"childWaterPrice": []
}
]
}
]
},
{
"guidId": "fa36ade34296459b89b51738b3ec4f43",
"parentGuidId": "-1",
"waterPriceName": "非居民生活用水",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T11:58:07.4149953+08:00",
"updateId": ,
"updateTime": "2017-08-31T11:58:07.4149953+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "21886c1b4f6c459fa3a9878c5a22145e",
"parentGuidId": "fa36ade34296459b89b51738b3ec4f43",
"waterPriceName": "其中一般工商企业，机关事业单位",
"yearWaterNumber": "2.3333",
"realWaterPrice": "2.35",
"drainagePrice": "6.25",
"integrated": "12.5",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T15:45:28.3128379+08:00",
"updateId": ,
"updateTime": "2017-08-31T15:45:28.3128379+08:00",
"isNotTitle": false,
"childWaterPrice": []
},
{
"guidId": "10c0899ac58b460a92a300c42e1d36b6",
"parentGuidId": "fa36ade34296459b89b51738b3ec4f43",
"waterPriceName": "高污染企业",
"yearWaterNumber": "3.22",
"realWaterPrice": "2.55",
"drainagePrice": "1.22",
"integrated": "2.44",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T09:33:37.0705111+08:00",
"updateId": ,
"updateTime": "2017-09-01T09:33:37.0705111+08:00",
"isNotTitle": false,
"childWaterPrice": []
}
]
},
{
"guidId": "dc194593626642d49b676d2c3e0826fc",
"parentGuidId": "-1",
"waterPriceName": "特殊行业用水",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-08-31T11:58:28.4120591+08:00",
"updateId": ,
"updateTime": "2017-08-31T11:58:28.4120591+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "d25b1ea36e4f408aa3b9090b29c30e5b",
"parentGuidId": "dc194593626642d49b676d2c3e0826fc",
"waterPriceName": "特种行业用水",
"yearWaterNumber": "7.45",
"realWaterPrice": "5.85",
"drainagePrice": "1.6",
"integrated": "2.5",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T10:07:53.6392384+08:00",
"updateId": ,
"updateTime": "2017-09-01T10:07:53.6392384+08:00",
"isNotTitle": false,
"childWaterPrice": []
}
]
},
{
"guidId": "3ec4df7081084579a05a1ad694c35dc9",
"parentGuidId": "-1",
"waterPriceName": "",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T10:41:02.151885+08:00",
"updateId": ,
"updateTime": "2017-09-01T10:41:02.151885+08:00",
"isNotTitle": false,
"childWaterPrice": [
{
"guidId": "8e44a8581f0047b39f47d433a6a55428",
"parentGuidId": "3ec4df7081084579a05a1ad694c35dc9",
"waterPriceName": "第一个大标题",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T11:18:56.6462613+08:00",
"updateId": ,
"updateTime": "2017-09-01T11:18:56.6462613+08:00",
"isNotTitle": true,
"childWaterPrice": [
{
"guidId": "75d12b9ef6ea4b68a2040b3307412e46",
"parentGuidId": "8e44a8581f0047b39f47d433a6a55428",
"waterPriceName": "人员A属性",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T11:19:21.6070599+08:00",
"updateId": ,
"updateTime": "2017-09-01T11:19:21.6070599+08:00",
"isNotTitle": false,
"childWaterPrice": []
},
{
"guidId": "f4827a920894465aab6d50efec813cdb",
"parentGuidId": "8e44a8581f0047b39f47d433a6a55428",
"waterPriceName": "人员B属性",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T11:19:32.8762545+08:00",
"updateId": ,
"updateTime": "2017-09-01T11:19:32.8762545+08:00",
"isNotTitle": false,
"childWaterPrice": []
}
]
},
{
"guidId": "bfc8bda801724367a42373d7f977f573",
"parentGuidId": "3ec4df7081084579a05a1ad694c35dc9",
"waterPriceName": "第二个大标题",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T11:19:03.5742365+08:00",
"updateId": ,
"updateTime": "2017-09-01T11:19:03.5742365+08:00",
"isNotTitle": true,
"childWaterPrice": []
}
]
},
{
"guidId": "fec9f7cfd48942979422eb1422d8ae35",
"parentGuidId": "-1",
"waterPriceName": "",
"yearWaterNumber": "",
"realWaterPrice": "",
"drainagePrice": "",
"integrated": "",
"sorting": ,
"createId": ,
"createTime": "2017-09-01T11:00:18.7410547+08:00",
"updateId": ,
"updateTime": "2017-09-01T11:00:18.7410547+08:00",
"isNotTitle": true,
"childWaterPrice": []
}
]
备注：
从上到下代码块的功能解释
第一个代码块：调用方法
第二个代码块：递归循环
第三个代码块：实体类
第四个代码块：数据源（自己新建json文件，把数据放入文件中，自己写个文件读取的方法进行读取）
List<WaterPriceTreeDto> TreeList = JsonAnalysisHelper.ReadObjectByJsonList<WaterPriceTreeDto>(Consts.WaterPrice);
读取文件中的数据
第五个代码块：返回的结果
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