<?php
????header("content-type:text/html;charset=utf-8");
????if($con?=?mysqli_connect("localhost","root","123")){
????????echo?"連接成功<br/>";
????????if(mysqli_select_db("test")){
????????????echo?"連接數(shù)據(jù)庫(kù)成功";
????????}else{
????????????echo?"連接數(shù)據(jù)庫(kù)失敗";
????????}
????}else{
????????echo?"連接失敗<br/>";
????}
??>顯示結(jié)果如下然而我的數(shù)據(jù)庫(kù)在mysql中是存在的請(qǐng)問這是怎么回事？？
1 回答
TCircley
TA貢獻(xiàn)3條經(jīng)驗(yàn) 獲得超0個(gè)贊
<?php
????header("content-type:text/html;charset=utf-8");
????if($con?=?mysqli_connect("localhost:3306","root","123")){
????????echo?"連接成功<br/>";
????????if(mysqli_select_db($con,"test")){
????????????echo?"連接數(shù)據(jù)庫(kù)成功";
????????}else{
????????????echo?"連接數(shù)據(jù)庫(kù)失敗";
????????}
????}else{
????????echo?"連接失敗<br/>";
????}
?>自己重新去看了下文檔。發(fā)現(xiàn)是傳少了個(gè)參數(shù)，不好意思打擾了
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