数据库文档增加执行sql功能

zyplayer-doc-core/src/main/java/com/zyplayer/doc/core/util/StringUtil.java

@@ -0,0 +1,46 @@
+package com.zyplayer.doc.core.util;
+
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+/**
+ * 字符串操作类
+ */
+public final class StringUtil {
+	
+	/**
+	 * 获取错误信息
+	 *
+	 * @param e
+	 * @return
+	 * @author 暮光：城中城
+	 */
+	public static String getException(Throwable e) {
+		StringWriter sw = null;
+		PrintWriter pw = null;
+		try {
+			sw = new StringWriter();
+			pw = new PrintWriter(sw);
+			e.printStackTrace(pw);
+			pw.flush();
+			sw.flush();
+			return sw.toString();
+		} finally {
+			if (sw != null) {
+				try {
+					sw.close();
+				} catch (Exception e1) {
+					e1.printStackTrace();
+				}
+			}
+			if (pw != null) {
+				try {
+					pw.close();
+				} catch (Exception e1) {
+					e1.printStackTrace();
+				}
+			}
+		}
+	}
+}