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May 25th, 2017
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  1. //获取指定的cookie
  2. function getCookie(key) {
  3. var cookieArr = document.cookie.split(';');
  4. for (var i=0,len=cookieArr.length; i<len ;i++){
  5. var tempArr = cookieArr[i].split('=');
  6. console.log(tempArr);
  7. if (tempArr[0].trim() ==key){ //去出前后多余空格
  8. return tempArr[1];
  9. }
  10. }
  11. }
  12. //添加cookie
  13. function addCookie(key,value,expires) { //key:添加cookie的键,value:添加cookie的值,expires:几天之后过期
  14. if(!expires){
  15. document.cookie = key+'='+value+'; ';
  16. }
  17. else {
  18. var exp = new Date();
  19. exp.setTime(exp.getTime() +60 * 1000 * 60 *24 *expires);
  20. document.cookie = key+'='+value+'; expires ='+exp.toGMTString()+'; ';
  21. }
  22. }
  23. //删除cookie
  24. function delCookie(key) {
  25. addCookie(key,getCookie(key),-1);
  26. }
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