maven 打JAR包资源文件指定路径与文件读取

1.配置RESOURCES节点

有时会遇到maven打包后找不到资源文件了，其实这时候路径发生了变化，为了确保打包后路径不发生变化，指定一个固定的路径，请看下面配置

<build>
  ...
  <resources>
    <resource>
      <filtering>true</filtering>
      <directory>src/main/command</directory>
      <includes>
        <include>run.bat</include>
        <include>run.sh</include>
      </includes>
      <targetPath>/abc</targetPath>
    </resource>
    <resource>
      <directory>src/main/scripts</directory>
    </resource>
  </resources>
  ...
</build>

2.读取文件：

public static String path="resources/datatype.txt";

//String ss= App.class.getClassLoader().getResource("resources/datatype.txt").getPath();
			InputStream in = App.class.getClassLoader().getResourceAsStream(
	                path);// 读取流文件
			//File csv = new File(ss); // CSV文件
            BufferedReader br = new BufferedReader(new InputStreamReader(in));
            // 读取直到最后一行
            String line = "";
            //br.readLine();//跳过表头
            while ((line = br.readLine()) != null) {
                // 把一行数据分割成多个字段
                //StringTokenizer st = new StringTokenizer(line, ",");
                String[] lin=App.DELIMITER.split(line.toString(),2);
                map.put(lin[0],lin[1]);

                System.out.println(line);
            }
            br.close();

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