增加MD5相关函数

spider-flow-core/src/main/java/org/spiderflow/core/executor/function/MD5FunctionExecutor.java

@@ -0,0 +1,56 @@
+package org.spiderflow.core.executor.function;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.spiderflow.annotation.Comment;
+import org.spiderflow.annotation.Example;
+import org.spiderflow.executor.FunctionExecutor;
+import org.springframework.stereotype.Component;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+@Component
+@Comment("MD5常用方法")
+public class MD5FunctionExecutor implements FunctionExecutor {
+
+    @Override
+    public String getFunctionPrefix() {
+        return "md5";
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.string(resp.html)}")
+    public static String string(String str){
+        return DigestUtils.md5Hex(str);
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.string(resp.bytes)}")
+    public static String string(byte[] bytes){
+        return DigestUtils.md5Hex(bytes);
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.string(resp.stream)}")
+    public static String string(InputStream stream) throws IOException {
+        return DigestUtils.md5Hex(stream);
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.bytes(resp.html)}")
+    public static byte[] bytes(String str){
+        return DigestUtils.md5(str);
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.bytes(resp.bytes)}")
+    public static byte[] bytes(byte[] bytes){
+        return DigestUtils.md5(bytes);
+    }
+
+    @Comment("md5加密")
+    @Example("${md5.bytes(resp.stream)}")
+    public static byte[] bytes(InputStream stream) throws IOException {
+        return DigestUtils.md5(stream);
+    }
+}