前言
public class Main { public static String generateWord(String type) { switch (type) { case "宝,我今天输液了; 输的什么液?":return "想你的夜"; case "宝，我今天喝酒了; 喝的什么酒":return "和你的天长地久"; case "宝，我今天种地了; 种的什么地":return "对你的死心塌地"; default:return ""; } }}
SM 命令学习
[arthas@91969]$ help sm USAGE: sm [-c <value>] [--classLoaderClass <value>] [-d] [-h] [-n <value>] [-E] class-pattern [method-pattern] SUMMARY: Search the method of classes loaded by JVM EXAMPLES: sm java.lang.String sm -d org.apache.commons.lang.StringUtils sm -d org/apache/commons/lang/StringUtils sm *StringUtils * sm -Ed org\\.apache\\.commons\\.lang\.StringUtils .* WIKI: https://arthas.aliyun.com/doc/sm OPTIONS: -c, --classloader <value> The hash code of the special class's classLoader --classLoaderClass <value> The class name of the special class's classLoader. -d, --details Display the details of method -h, --help this help -n, --limits <value> Maximum number of matching classes (100 by default) -E, --regex Enable regular expression to match (wildcard matching by default) <class-pattern> Class name pattern, use either '.' or '/' as separator <method-pattern> Method name pattern
sm [-c <value>] [--classLoaderClass <value>] [-d] [-h] [-n <value>] [-E] class-pattern [method-pattern]
使用:
sm -d com.codog.demo.Main generateWord[arthas@91969]$ sm -d com.codog.demo.Main generateWord declaring-class com.codog.demo.Main method-name generateWord modifier public,static annotation parameters java.lang.String return java.lang.String exceptions classLoaderHash 3d4eac69 Affect(row-cnt:1) cost in 24 ms.
jad com.codog.demo.Main generateWord[arthas@91969]$ jad com.codog.demo.Main generateWordClassLoader: +-jdk.internal.loader.ClassLoaders$AppClassLoader@3d4eac69 +-jdk.internal.loader.ClassLoaders$PlatformClassLoader@761bf405 Location: /Users/bytedance/IdeaProjects/demotemp/target/classes/ public static String generateWord(String type) {/*10*/ switch (type) { case "宝,我今天输液了; 输的什么液?": {/*11*/ return "想你的夜"; } case "宝，我今天喝酒了; 喝的什么酒": {/*12*/ return "和你的天长地久"; } case "宝，我今天种地了; 种的什么地": {/*13*/ return "对你的死心塌地"; } }/*14*/ return ""; }Affect(row-cnt:1) cost in 393 ms.
