檢視违约行为的原始碼

{| class="https://cn.bing.com/images/search?view=detailV2&ccid=QJouNz0%2f&id=4633F10B606B86C83DD61FE8B63A550E093D9569&thid=OIP.QJouNz0_BRXS2PvaiIiFcAHaEz&mediaurl=https%3a%2f%2fts1.cn.mm.bing.net%2fth%2fid%2fR-C.409a2e373d3f0515d2d8fbda88888570%3frik%3daZU9CQ5VOrboHw%26riu%3dhttp%253a%252f%252fwww.signallaw.cn%252fuploadfile%252f2019%252f0329%252f20190329020042830.jpg%26ehk%3dfC%252fT7nh70tXn3YWZDXjD%252bS3c2xwPzwntqUQQI0Np7UM%253d%26risl%3d%26pid%3dImgRaw%26r%3d0&exph=324&expw=500&q=%e8%bf%9d%e7%ba%a6%e8%a1%8c%e4%b8%ba&simid=608016916898251379&FORM=IRPRST&ck=A8C2ED82C383E2DBA9E7C66DC4AF3C4B&selectedIndex=22&ajaxhist=0&ajaxserp=0" style="float:right; margin: -10px 0px 10px 20px; text-align:left"
|<center>'''违约行为'''<br><img
src=" https://ts1.cn.mm.bing.net/th/id/R-C.409a2e373d3f0515d2d8fbda88888570?rik=aZU9CQ5VOrboHw&riu=http%3a%2f%2fwww.signallaw.cn%2fuploadfile%2f2019%2f0329%2f20190329020042830.jpg&ehk=fC%2fT7nh70tXn3YWZDXjD%2bS3c2xwPzwntqUQQI0Np7UM%3d&risl=&pid=ImgRaw&r=0" width="280"></center><small>  圖片來自优酷</small> 
|}
'''违约行为'''，是指当事人一方不履行[[合同义务]]或履行合同义务不符合约定条件的行为。根据不同的标准，可将违约行为作不同分类: 如单方违约与[[双方违约]]、[[根本违约]]与非根本违约、预期违约与实际违约。也指合同当事人违反合同约定义务的行为。违约行为是违约责任的基本构成要件，没有违约行为，也就没有违约责任。 <ref>[[侯丽艳．经济法概论：中国政法大学出版社，2012]]</ref>