Statement除了执行这样的DQL语句外,我们还可以使用executeUpdate()方法来执行一个DML或是DDL语句,它会返回一个int类型,表示执行后受影响的行数,可以通过它来判断DML语句是否执行成功。 也可以通过excute()来执行任意的SQL语句,它会返回一个boolean来表示执行结果是一个ResultSet还是一个int,我们可以通过使用getResultSet(...
从源代码中可以看到一个抽象方法/** * <p> * 获取 注入的方法 * </p> * * @param mapperClass 当前mapper * @return 注入的方法集合 * @since 3.1.2 add mapperClass */ public abstract List<AbstractMethod> getMethodList(Class<?> mapperClass,TableInfo tableInfo); ...
Method method, Object[] args) throws Throwable { try { if (Object.class.equals(method.getDeclaringClass())) { //你是不是调用的Object默认的方法 return method.invoke(this, args); } else if (method.isDefault()) { //对于默认方法的处理 if (privateLookupInMethod =...
(setq default-input-method "pyim") Awesome Modes Verilog-mgde 一般遇到的问题、需求,别人已经帮我们解决,见Faq;在 verilog 模式下通过 ctrl + 鼠标右键呼出菜单,有3个 verilog 相关的菜单可关注一下 配置 verilog相关插件有两个: verilog-mode : 虽然emacs本身已经集成了,但不一定是最新版本(我一般是官网下...
ruby ) Note that the plugins are separated by whitespace (spaces, tabs, new lines...).Do notuse commas between them or it will break. Using Plugins Each built-in plugin includes aREADME, documenting it. This README should show the aliases (if the plugin adds any) and extra goodies tha...
32 bit app - how to get 'C:\program files" directory using "Environment.GetFolderPath" 32 bit Application calling 32 bit DLL "An attempt was made to load a program with an incorrect format. (Exception from HRESULT: 0x8007000B)" 4 digit precision- String format 405 method not allowed...
<form action=”process.php” method=”POST”> <input type=”hidden” name=”recipient” value=”youremail@yahoo.com”> <input type=”hidden” name=”subject” value=”Web Book Request:”> <p align=”center” size=”30″> <strong>Select Book:</strong><br> ...
stats_method | nulls_unequal | +---+---+ |write_buffer_size | 262136 | +---+---+ The possible myisamchk variables and their default values can be examined with myisamchk --help: sort_buffer_size is used when the keys are repaired by sorting keys, which is the normal case when...
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>> //list :ArrayList<in Fruit>,相当于Java的 ArrayList< ? super Fruit> //*,相当于Java的? override fun supports(methodParameter: MethodParameter?, converterType: Class<out HttpMessageConverter<*>>?): Boolean { //处理类型 var className = methodParameter?.getContainingClass()?.name; var sw ...