完成基本功能转移

src/main/java/com/yutou/qqbot/data/MessageChainBuilder.java

@@ -0,0 +1,16 @@
+package com.yutou.qqbot.data;
+
+public class MessageChainBuilder {
+    StringBuilder sb;
+    public MessageChainBuilder() {
+        sb=new StringBuilder();
+    }
+    public MessageChainBuilder append(String s){
+        sb.append(s);
+        return this;
+    }
+    public MessageChainBuilder append(Object o){
+        sb.append(o.toString());
+        return this;
+    }
+}