common_helper/src/main/java/com/xiongyingqi/util/FileHelper.java
public static String readFileToString(File file) {
        byte[] bts = null;
        try {
            bts = readFileToBytes(file);
        } catch (Exception e) {
            e.printStackTrace();
        }
        String content = null;
        try {
            content = new String(bts, getEncode(file));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return content;
    }
public static String readFileToString(File file) {
        byte[] bts = null;
        try {
            bts = readFileToBytes(file);
        } catch (Exception e) {
            e.printStackTrace();
        }
        String content = null;
        try {
            content = new String(bts, getEncode(file));
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        return content;
    }
public static String readFileToString ( File file ) { byte [ ] bts = null ; try { bts = readFileToBytes ( file ) ; } catch ( Exception e ) { e . printStackTrace ( ) ; } String content = null ; try { content = new String ( bts , getEncode ( file ) ) ; } catch ( UnsupportedEncodingException e ) { e . printStackTrace ( ) ; } return content ; }
读取指定文件的文件内容（以String的形式） <br>
2013-8-30 下午5:26:55

@param file
@return
读取指定文件的文件内容（以String的形式） <br > 2013 - 8 - 30 下午5 : 26 : 55