js之生成json文件

js之生成json文件

function saveJSON(data, filename){
        if(!data) {
            alert(\'保存的数据为空\');
            return;
        }
        if(!filename) 
            filename = \'json.json\'
        if(typeof data === \'object\'){
            data = JSON.stringify(data, undefined, 4)
        }
        var blob = new Blob([data], {type: \'text/json\'}),
        e = document.createEvent(\'MouseEvents\'),
        a = document.createElement(\'a\')
        a.download = filename
        a.href = window.URL.createObjectURL(blob)
        a.dataset.downloadurl = [\'text/json\', a.download, a.href].join(\':\')
        e.initMouseEvent(\'click\', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null)
        a.dispatchEvent(e)
    }

 

 

 

 

转载自：https://blog.csdn.net/shijie_nihao/article/details/100544941