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[操作系统]封装Log工具类


public class LogUtil {public static final int VERBOSE = 1;public static final int DEBUG = 2;public static final int INFO = 3;public static final int WARN = 4;public static final int ERROR = 5;public static final int NOTHING = 6;public static final int LEVEL = VERBOSE;//如果不需要打印了,直接LEVEL = 6public static void v(String tag, String msg) {if (LEVEL <= VERBOSE) {Log.v(tag, msg);}}public static void d(String tag, String msg) {if (LEVEL <= DEBUG) {Log.d(tag, msg);}}public static void i(String tag, String msg) {if (LEVEL <= INFO) {Log.i(tag, msg);}}public static void w(String tag, String msg) {if (LEVEL <= WARN) {Log.w(tag, msg);}}public static void e(String tag, String msg) {if (LEVEL <= ERROR) {Log.e(tag, msg);}}}