XMLHttpRequest.readyState=0
{"readyState":0,"status":0,"statusText":"NetworkError: Failed to execute 'send' on 'XMLHttpRequest': Failed to load 'http://172.23.1.142:8080/bwdz_fp_saas/fptkp/upfpxxbylsh.do'."} error回调函数中,XMLHttpRequest转json的结果,这是为啥?
出现的情况是随机的!