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var countdown=60; function sendemail(){ var obj = $("#btn"); settime(obj); } function settime(obj) { //发送验证码倒计时 if (countdown == 0) { obj.attr('disabled',false); ...

package des; import java.security.Key; import java.security.spec.AlgorithmParameterSpec; import sun.misc.BASE64Decoder; import javax.crypto.*; import javax.crypto.spec.DESKeySpec; import javax.c...