技术问答jfinal鎬庢牱瀹炵幇鏂囦欢涓婁紶涓嬭浇 - 扬州沐宇科技

JFinal鏄竴涓熀浜嶫ava鐨勮交閲忕骇Web妗嗘灦锛屽彲浠ラ€氳繃JFinal鎻愪緵鐨勬枃浠朵笂浼犮€佷笅杞藉姛鑳藉疄鐜版枃浠剁殑涓婁紶鍜屼笅杞姐€?/p>

鏂囦欢涓婁紶锛?棣栧厛锛岄渶瑕佸湪JFinal鐨勯厤缃枃浠朵腑閰嶇疆鏂囦欢涓婁紶鐨勮矾寰勶紝鍙互閫氳繃浠ヤ笅鏂瑰紡杩涜閰嶇疆锛?/li>

// 閰嶇疆鏂囦欢涓婁紶璺緞
me.add(new UploadFileInterceptor("uploadPath"));

鐒跺悗锛屽湪Controller涓鐞嗘枃浠朵笂浼犵殑璇锋眰锛?/p>

public void upload() {
    // 鑾峰彇涓婁紶鐨勬枃浠?/span>
    UploadFile uploadFile = getFile("file");
    // 淇濆瓨鏂囦欢
    uploadFile.getFile().renameTo(new File(getPara("uploadPath") + uploadFile.getFileName()));
    renderJson("success");
}

鏂囦欢涓嬭浇锛?鍦–ontroller涓鐞嗘枃浠朵笅杞借姹傦細

public void download() {
    String fileName = getPara("fileName");
    File file = new File(getPara("uploadPath") + fileName);
    if (file.exists()) {
        renderFile(file);
    } else {
        renderJson("file not exist");
    }
}

浠ヤ笂鏄娇鐢↗Final瀹炵幇鏂囦欢涓婁紶鍜屼笅杞界殑绠€鍗曠ず渚嬶紝鍙互鏍规嵁鍏蜂綋闇€姹傝繘琛屽姛鑳芥墿灞曞拰浼樺寲銆?/p>