【修改】修改example样例，调用方式修改为传入已经加载完成的config specifig

example/example_plugin-2.lua

@@ -0,0 +1,30 @@
+function plugin_ctx_new(sess, plug_env, sess_context)
+    print("now begin to create new ctx context example-2")
+    print(plug_env.data)
+    local sessid = session.getid(sess)
+    sess_context.id = 200
+    print("session id is ", sessid)
+    session.setid(sess, 50000)
+end
+
+function plugin_ctx_free(sess, sess_context, plug_env)
+    print(sess_context.id)
+    print("now begin to free ctx context example-2")
+end
+
+function plugin_load(stellar, plug_env)
+    print("now begin to load plugin example-2")
+    plug_env.data = "my example-2 plugin env"
+    plug_env.newid = 2000
+    id = plugin_manage.register(stellar, plugin_ctx_new, plugin_ctx_free, plug_env)
+    print(id)
+    plug_env.messid = 200
+end
+
+function plugin_unload(plug_env)
+    print("now running unload plugin example-2 function")
+    print(plug_env.penv_pointer)
+    print(plug_env.data)
+    print(plug_env.newid)
+    print(plug_env.messid)
+end