fileSizeCheck

// html
onsubmit="return checkFileSize($(file_data));

// javascript
var MAX_SIZE = 10485760*5; //50MB
function checkFileSize(upload_file){
//upload_file = $('#upload_file');
//console.log(upload_file);
if(upload_file[0].files.length>0){
console.log(upload_file[0].files[0].size);
if(upload_file[0].files[0].size>MAX_SIZE){
alert("파일업로드는 "+(MAX_SIZE/1024/1024)+"MB를 초과할 수 없습니다.");
return false;
}
}
}