FileUtil.java

package com.xxxcom.util;

import io.vertx.core.Vertx;
import io.vertx.core.buffer.Buffer;
import io.vertx.core.file.FileSystem;
import io.vertx.core.json.JsonObject;

public class FileUtil {

	private static String content="";
	   

	 
   //读取文件
	public String readFile(Vertx vertx,String filepath) {
		
		FileSystem system=vertx.fileSystem().readFile(filepath, result -> {
			if (result.succeeded()) {
				System.out.println("aaa:"+result.result().toString());
				 
			} else {
				System.err.println("Oh oh ..." + result.cause());
				 
			}
		}); 
		System.out.println("content:"+content);
		 
		return content;
	}

}