丢丢丢丢丢~~~

1.安装Git2.Windows PowerShell查看权限2.1 查看权限 Get-ExecutionPolicy -List2.2 设置权限 Set-ExecutionPolicy RemoteSigned -Scope CurrentUser

正确<c:if test="${user.address_id==address.id}"></c:if>错误<c:if test="${user.address_id}==${address.id}"></c:if>

JSP中显示时间 Mon Apr 12 18:21:05 CST 2021转换为2021-04-12解决方法：使用fmt标签 <%@ taglib uri=“http://java.sun.com/jstl/fmt_rt” prefix=“fmt” %>提取年份：<fmt:formatDate value=’${目标值}’ pattern=‘yyyy’/>月份、日类推。...

解决办法：setComponent（ new ComponentName（’‘参数一’’,’‘参数二’’））intent.setComponent(new ComponentName(MainActivity.this,MyReceiver.class));