比如163的验证码,代码如下:
<img id="vcodeImg" class="vCode" style="cursor:pointer;" src="/unireg/call.do?cmd=register.verifyCode&v=common/verifycode/vc_en&env=669465900335&t=1387716242636" alt="验证码" width="120" height="50"><img id="vcodeImg" class="
