nodejs读写json文件

nodejs 读json文件

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

nodejs 写json文件

var coors = {};    coors.left_top = {};    coors.right_top = {};    coors.left_bottom = {};    coors.right_bottom = {};//填充coors中内容var filename = "d:\\coors\\0.json"; fs.writeFileSync(filename, JSON.stringify(coors)); //对象嵌套 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!");}