node后台生成srt字幕文件

来源：互联网发布：二更网络编辑：程序博客网时间：2024/04/29 09:42
        var source=[{"sTime":20,"id":1,"eTime":30,"content":"李雷，你最近好吗"},{"sTime":45,"id":2,"eTime":59,"content":"很好，你呢"},{"sTime":86,"id":3,"eTime":102,"content":"我也很好，谢谢"},{"sTime":115,"id":4,"eTime":124,"content":"不谢"}]        var data='';        if(source.length>0){            var add0=function(m){return m<10?'0'+m:m };            var secondFormat=function(second) {                var h = Math.floor(second/3600%24);                var m = Math.floor(second/60%60);                var s = Math.floor(second%60);                return add0(h)+":"+add0(m)+":"+add0(s);            }            source.forEach(function(e,i){                //生成字幕文件内容                data+=(i+1)+'\n'+                    secondFormat(e.sTime)+',000 -->'+secondFormat(e.eTime)+',000\n'+                    e.content+'\n\n';            }）            //设置http头部返回信息            res.append('Content-Type', 'application/force-download;');             res.append( 'Content-Disposition', 'attachment; filename='+encodeURIComponent(ret.title)+'.srt')            //注意这里,node生成的data为utf格式，必须调用icnov-lite转换编码格式为unicode，否则srt文件加载出现乱码            var iconv = require('iconv-lite');            data=iconv.encode(data,'gb2312');            res.send(data);        }
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