假设有如下两个接口:<div style="border-right: #cccccc 1px solid; padding-right: 5px; border-top: #cccccc 1px solid; padding-left: 4px; font-size: 13px; padding-bottom: 4px; border-left: #cccccc 1px solid; width: 98%; word-break: break-all; padding-top: 4px; border-bottom: #cccccc 1px solid; background-color: #eeeeee">
<img src="/Images/OutliningIndicators/None.gif" align="top" alt=""><span style="color: #0000ff">public<span style="color: #000000"> <span style="color: #0000ff">interface<span style="color: #000000"> IA<img id="Codehighlighter1_20_46_Open_Image" onclick="code_collapse_toggle(this);" src="/Images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt=""><img id="Codehighlighter1_20_46_Closed_Image" style="display: none" onclick="code_collapse_toggle(this);" src="/Images/OutliningIndicators/ContractedBlock.gif" align="top" alt=""><span id="Codehighlighter1_20_46_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="https://www.jb51.cc/res/2019/02-14/22/a76e9bb6ed00cf1c9c9f4ee2f04b558b.gif" alt=""><span id="Codehighlighter1_20_46_Open_Text"><span style="color: #000000">{<img src="/Images/OutliningIndicators/InBlock.gif" align="top" alt=""> <span style="color: #0000ff">string<span style="color: #000000"> GetA(<span style="color: #0000ff">string<span style="color: #000000"> a);<img src="/Images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="">}<span style="color: #000000"><img src="/Images/OutliningIndicators/None.gif" align="top" alt=""><span style="color: #0000ff">public<span style="color: #000000"> <span style="color: #0000ff">interface<span style="color: #000000"> IB<img id="Codehighlighter1_68_91_Open_Image" onclick="code_collapse_toggle(this);" src="/Images/OutliningIndicators/ExpandedBlockStart.gif" align="top" alt=""><img id="Codehighlighter1_68_91_Closed_Image" style="display: none" onclick="code_collapse_toggle(this);" src="/Images/OutliningIndicators/ContractedBlock.gif" align="top" alt=""><span id="Codehighlighter1_68_91_Closed_Text" style="border-right: #808080 1px solid; border-top: #808080 1px solid; display: none; border-left: #808080 1px solid; border-bottom: #808080 1px solid; background-color: #ffffff"><img src="https://www.jb51.cc/res/2019/02-14/22/a76e9bb6ed00cf1c9c9f4ee2f04b558b.gif" alt=""><span id="Codehighlighter1_68_91_Open_Text"><span style="color: #000000">{<img src="/Images/OutliningIndicators/InBlock.gif" align="top" alt=""> <span style="color: #0000ff">int<span style="color: #000000"> GetA(<span style="color: #0000ff">string<span style="color: #000000"> a);<img src="/Images/OutliningIndicators/ExpandedBlockEnd.gif" align="top" alt="">}