摘要:
在使用indexOf之前加入 if (!Array.prototype.indexOf) { Array.prototype.indexOf = function(elt /*, from*/ ) { var len = this.length >>> 0; var from = Number(ar 阅读全文
摘要:
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was 126,421,823 milliseconds ago. The l 阅读全文