nodejs讀寫json檔案的簡單方法(必看),nodejsjson

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nodejs讀寫json檔案的簡單方法(必看),nodejsjson

nodejs 讀json檔案

var fs=reauire('fs');var file="d:\\0.json";var result=JSON.parse(fs.readFileSync( file));//操作對象

nodejs 寫json檔案

var coors = {};  coors.left_top = {};  coors.right_top = {};  coors.left_bottom = {};  coors.right_bottom = {};//填充coors中內容var filename = "d:\\coors\\0.json"; fs.writeFileSync(filename, JSON.stringify(coors)); //對象嵌套 var fs = require('fs');var fileDirectory = "D:\\column";var newfileDirectory = "d:\\new";if (fs.existsSync(fileDirectory)) {  var files = fs.readdirSync(fileDirectory);  for (var i = 0; i < files.length; i++) {    var filePath = fileDirectory + "/" + files[i];    var newfilepath = newfileDirectory + "/" + files[i]    var filestr = JSON.parse(fs.readFileSync(filePath));    for (var item in filestr) {      var inter=filestr[item];       for(var m in inter)       {        inter[m]=parseFloat(inter[m]);       }      fs.writeFileSync(newfilepath, JSON.stringify(filestr));    }  }} else {  console.log(fileDirectory + " Not Found!");}

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