方法一:---------支持中文，图片显示------------
//-------文件上传------
?router.post(‘/imgupload‘,function(req,res){
?//-----------------------------------------
var form = new multiparty.Form();
???//设置编辑
???form.encoding = ‘utf-8‘;
???//设置文件存储路径
???form.uploadDir = "./uploads/";
???//设置单文件大小限制
???form.maxFilesSize = 2 * 1024 * 1024;
???//form.maxFields = 1000; ?设置所以文件的大小总和
???
???form.parse(req, function(err, fields, files) {
for(var key in files){
console.log(key+‘==‘+files[key]);
for(var kk in files[key][0].headers){
console.log(kk+‘===‘+files[key][0].headers[kk]);
}
}
file1 = files[‘myimg‘];
paraname = file1[0].fieldName; ?//参数名myimg
originalFilename = file1[0].originalFilename; //原始文件名
tmpPath = file1[0].path;//uploads\mrecQCv2cGlZbj-UMjNyw_Bz.txt
fileSize = file1[0].size; //文件大小
var timestamp=new Date().getTime(); //获取当前时间戳
newPath= ‘./public/images/‘+timestamp+originalFilename;
var fileReadStream = fs.createReadStream(tmpPath);
var fileWriteStream = fs.createWriteStream(newPath);
fileReadStream.pipe(fileWriteStream); //管道流
fileWriteStream.on(‘close‘,function(){
?console.log(‘copy over‘); ?
});
/*
function writeFile(data){
fs.writeFile(newPath,data,function(error){
if(error){
throw error;
}else{
console.log("文件已保存");
} ??
});
}
fs.readFile(tmpPath,‘ascii‘,function(err, data) {
if (err) {
console.log("读取失败");
} else {
writeFile(data);
}
});
*/
???????//重命名为真实文件名
/*
???????fs.rename(tmpPath, newPath, function(err) {
????????if(err){
??????????console.log(‘rename error: ‘ + err);
?????????} else {
???????????console.log(‘rename ok‘);
????????}
??????});
??*/
?????//删除临时文件夹中的文件
?//fs.unlinkSync(tmpPath);
?
???});
?//-----------------------------------------
res.send(‘上传完成‘);
?});
方法二：
//----------有中文问题，图片显示不出来-----------
//-------文件上传------
?router.post(‘/imgupload‘,function(req,res){
?//-----------------------------------------
var form = new multiparty.Form();
???//设置编辑
???form.encoding = ‘utf-8‘;
???//设置文件存储路径
???form.uploadDir = "./uploads/";
???//设置单文件大小限制
???form.maxFilesSize = 2 * 1024 * 1024;
???//form.maxFields = 1000; ?设置所以文件的大小总和
???
???form.parse(req, function(err, fields, files) {
for(var key in files){
console.log(key+‘==‘+files[key]);
for(var kk in files[key][0].headers){
console.log(kk+‘===‘+files[key][0].headers[kk]);
}
}
file1 = files[‘myimg‘];
paraname = file1[0].fieldName; ?//参数名myimg
originalFilename = file1[0].originalFilename; //原始文件名
tmpPath = file1[0].path;//uploads\mrecQCv2cGlZbj-UMjNyw_Bz.txt
fileSize = file1[0].size; //文件大小
var timestamp=new Date().getTime(); //获取当前时间戳
newPath= ‘./public/images/‘+timestamp+originalFilename;
function writeFile(data){
fs.writeFile(newPath,data,function(error){
if(error){
throw error;
}else{
console.log("文件已保存");
} ??
});
}
fs.readFile(tmpPath,‘ascii‘,function(err, data) {
if (err) {
console.log("读取失败");
} else {
writeFile(data);
}
});
???????//重命名为真实文件名
/*
???????fs.rename(tmpPath, newPath, function(err) {
????????if(err){
??????????console.log(‘rename error: ‘ + err);
?????????} else {
???????????console.log(‘rename ok‘);
????????}
??????});
??*/
?????//删除临时文件夹中的文件
?//fs.unlinkSync(tmpPath);
?
???});
?//-----------------------------------------
res.send(‘上传完成‘);
?});
nodejs 文件上传
原文地址：http://www.cnblogs.com/yu-hailong/p/7439871.html