本文實(shí)例講述了jQuery訪問(wèn)json文件中數(shù)據(jù)的方法。分享給大家供大家參考，具體如下：

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有時(shí)候我們可能需要用到j(luò)son文件存儲(chǔ)數(shù)據(jù)，然后通過(guò)前臺(tái)語(yǔ)言直接進(jìn)行訪問(wèn)。

首先是json文件：

{
 "管道": [
  {
  "ElementId": "標(biāo)識(shí)號(hào)",
  "GISID": "GISID",
  "Label": "編號(hào)",
  "StartNodeID":"起始節(jié)點(diǎn)ID",
  "EndNodeID":"終止節(jié)點(diǎn)ID",
  "StartNodeLabel":"起始節(jié)點(diǎn)編號(hào)",
  "EndNodeLabel":"終止節(jié)點(diǎn)編號(hào)",
  "Physical_PipeDiameter":"管徑",
  "Physical_PipeMaterialID":"管材",
  "Physical_HazenWilliamsC":"海曾威廉C值",
  "Physical_Length":"管長(zhǎng)",
  "Physical_MinorLossCoefficient":"局部阻力系數(shù)",
  "Physical_InstallationYear":"鋪設(shè)年代",
  "Physical_Address":"地址",
  "District":"營(yíng)銷公司",
  "DMA":"計(jì)量區(qū)",
  "Zone":"行政區(qū)",
  "flow":"當(dāng)前流量",
  "velocity":"當(dāng)前流速",
  "headloss":"當(dāng)前水頭損失"
  }],
 "節(jié)點(diǎn)": [{
  "ElementId": "標(biāo)識(shí)號(hào)",
  "GISID": "GISID",
  "Label": "編號(hào)",
  "Physical_Elevation":"地面高程",
  "Physical_Depth":"埋深",
  "Physical_Address":"地址",
  "District":"營(yíng)銷公司",
  "DMA":"計(jì)量區(qū)",
  "Zone":"行政區(qū)",
  "hydraulicGrade":"水壓標(biāo)高",
  "pressure":"自由水壓",
  "demand":"節(jié)點(diǎn)流量",
  "cl":"余氯濃度",
  "age":"水齡",
  "source":"供水水源"
 }],
 "閥門": [{
  "ElementId": "標(biāo)識(shí)號(hào)",
  "GISID": "GISID",
  "Label": "編號(hào)",
  "Physical_Elevation":"地面高程",
  "Physical_Depth":"埋深",
  "Physical_Diameter":"口徑",
  "Physical_Status":"閥門狀態(tài)",
  "Physical_Address":"地址",
  "District":"營(yíng)銷公司",
  "DMA":"計(jì)量區(qū)",
  "Zone":"行政區(qū)",
  "Physical_InstallationYear":"安裝年代"
 }],
 "水表": [{
  "DIAMETER":"口徑",
  "CALIBER": "表徑",
  "MATERIAL": "材質(zhì)",
  "DEPTH":"埋深",
  "HEIGHT":"地面高程",
  "ADDR":"地址",
  "WATREGID": "表號(hào)",
  "USERNAME":"用戶名",
  "JUNCTION":"接口類型",
  "DISTRICT":"行政區(qū)",
  "MEASUREIN":"營(yíng)銷公司",
  "FINISHDATE":"安裝日期"
 }],
 "消火栓": [{
  "ElementId": "標(biāo)識(shí)號(hào)",
  "GISID": "GISID",
  "Label": "編號(hào)",
  "Physical_Elevation":"地面高程",
  "Physical_Depth":"埋深",
  "Physical_Address":"地址",
  "District":"營(yíng)銷公司",
  "DMA":"計(jì)量區(qū)",
  "Zone":"行政區(qū)",
  "Physical_Diameter":"口徑",
  "Physical_Type":"樣式"
 }]
}

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