File list (Check if you may need any files):
wechat4jDemo-master
...................\.classpath
...................\.gitignore
...................\.project
...................\.settings
...................\.........\.jsdtscope
...................\.........\org.eclipse.jdt.core.prefs
...................\.........\org.eclipse.wst.jsdt.ui.superType.container
...................\.........\org.eclipse.wst.jsdt.ui.superType.name
...................\README.md
...................\WebContent
...................\..........\META-INF
...................\..........\........\MANIFEST.MF
...................\..........\WEB-INF
...................\..........\.......\classes
...................\..........\.......\.......\log4j.properties
...................\..........\.......\lib
...................\..........\.......\...\commons-codec-1.9.jar
...................\..........\.......\...\commons-lang3-3.1.jar
...................\..........\.......\...\commons-logging-1.1.3.jar
...................\..........\.......\...\fastjson-1.2.0.jar
...................\..........\.......\...\fluent-hc-4.3.6.jar
...................\..........\.......\...\httpclient-4.3.6.jar
...................\..........\.......\...\httpcore-4.3.3.jar
...................\..........\.......\...\log4j-1.2.14.jar
...................\..........\.......\...\sword-lang-2.0.0.jar
...................\..........\.......\...\wechat4j-1.2.0.jar
...................\..........\.......\web.xml
...................\..........\test.htm
...................\src
...................\...\com
...................\...\...\sample
...................\...\...\......\wechat
...................\...\...\......\......\CustomerAccessTokenServer.java
...................\...\...\......\......\Hello.java
...................\...\...\......\......\JsApiTicketCustomerServer.java
...................\...\...\......\......\JsSdk.java
...................\...\...\......\......\MyWechat.java
...................\...\...\......\......\WechatServlet.java
...................\...\log4j.properties
...................\...\wechat4j.properties