<a target="_blank" href="https://baike.baidu.com/item/%E7%94%A8%E4%BE%8B" style="color: rgb(19, 110, 194); text-decoration-line: none; font-family: arial, 宋体, sans-serif; text-indent: 28px; text-size-adjust: auto;">用例</a><br><span style="caret-color: rgb(51, 51, 51); color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 28px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration: none; display: inline !important; float: none;"></span>
行为者<br>
前置条件<br>
后置条件<br>
UI描述<br>
