使用ajax,xhr卻沒有響應(yīng)
Jul 06, 2016 pm 01:51 PM
1.項(xiàng)目中用到了ajax。結(jié)果測(cè)試時(shí)候發(fā)現(xiàn)頁面在兩款瀏覽器中表現(xiàn)不一:360瀏覽器可以順利實(shí)現(xiàn)彈窗(alert)效果,火狐瀏覽器卻一點(diǎn)效果全無。但是他們都有一個(gè)共同特點(diǎn):在瀏覽器的調(diào)試模式(F12)的網(wǎng)絡(luò)選項(xiàng)xhr下沒有得出任何的數(shù)據(jù),而在網(wǎng)絡(luò)的全部、html、css、js這些地方都可以看到有數(shù)據(jù),包括index首頁(POST),其他資源都是以GET獲得。
2.使用了ThinkPHP的自動(dòng)驗(yàn)證功能,錯(cuò)誤會(huì)自動(dòng)返回信息,包括沒有輸入用戶名或沒有輸入密碼,但是我沒對(duì)賬號(hào)密碼進(jìn)行比對(duì),也不知道為什么在360瀏覽器中用戶名和密碼我隨便亂輸了數(shù)據(jù),結(jié)果發(fā)現(xiàn)一個(gè)空白alert對(duì)話框出來,也不知道這是什么回事?
3.360瀏覽器中alert對(duì)話框出現(xiàn)的時(shí)候,xhr還是有數(shù)據(jù)的,但是當(dāng)alert對(duì)話框點(diǎn)擊確定后,xhr數(shù)據(jù)就隨之消失。
代碼如下:
(1)login.js
<code>//前端登錄業(yè)務(wù)類 var login={ checkUser:function(){ //獲取登錄頁面中的輸入數(shù)據(jù) var userName=$('input[name="username"]').val(); var userPass=$('input[name="userpass"]').val(); //使用ajax var url="/stfjzd-15/index.php/Home/Index/checkUser"; var data={"username":userName,"userpass":userPass}; $.post(url,data,function(result){ //$("#result").html(data.info).show(); //$("#result").fadeOut(4000); if(result.status){ alert(result.info); }else{ //alert(2); alert(result.info); } },"json"); } }</code>
(2)IndexController.class.php
<code><?php namespace Home\Controller; use Think\Controller; class IndexController extends Controller { public function index(){ $this->display(); } //用戶驗(yàn)證 public function checkUser(){ //接收變量,默認(rèn)htmlspecialchars過濾 $userName=I("post.username"); $userPass=I("post.userpass"); $User=D("Stuser"); //ThinkPHP的自動(dòng)驗(yàn)證必須使用create()才能啟用 if(!$User->create()){ return $this->error($User->getError()); //exit($User->getError()); } } //空操作 public function _empty(){ echo "頁面不存在,請(qǐng)檢查您輸入的路徑是否正確,我要返回<a href="%22._PHP_FILE_.%22" alt="返回首頁" title="返回首頁">首頁</a>"; } }</code>
(3)StuserModel.class.php
<code><?php namespace Home\Model; use Think\Model; //用戶表模型 class StuserModel extends Model{ //構(gòu)造函數(shù)創(chuàng)建模型 public function __construct(){ $this->DB=M("Stuser"); } //ThinkPHP的表單自動(dòng)驗(yàn)證 protected $_validate=array( array("username","require","用戶名不能為空"), array("userpass","require","密碼不能為空"), ); } ?></code>
回復(fù)內(nèi)容:
1.項(xiàng)目中用到了ajax。結(jié)果測(cè)試時(shí)候發(fā)現(xiàn)頁面在兩款瀏覽器中表現(xiàn)不一:360瀏覽器可以順利實(shí)現(xiàn)彈窗(alert)效果,火狐瀏覽器卻一點(diǎn)效果全無。但是他們都有一個(gè)共同特點(diǎn):在瀏覽器的調(diào)試模式(F12)的網(wǎng)絡(luò)選項(xiàng)xhr下沒有得出任何的數(shù)據(jù),而在網(wǎng)絡(luò)的全部、html、css、js這些地方都可以看到有數(shù)據(jù),包括index首頁(POST),其他資源都是以GET獲得。
2.使用了ThinkPHP的自動(dòng)驗(yàn)證功能,錯(cuò)誤會(huì)自動(dòng)返回信息,包括沒有輸入用戶名或沒有輸入密碼,但是我沒對(duì)賬號(hào)密碼進(jìn)行比對(duì),也不知道為什么在360瀏覽器中用戶名和密碼我隨便亂輸了數(shù)據(jù),結(jié)果發(fā)現(xiàn)一個(gè)空白alert對(duì)話框出來,也不知道這是什么回事?
3.360瀏覽器中alert對(duì)話框出現(xiàn)的時(shí)候,xhr還是有數(shù)據(jù)的,但是當(dāng)alert對(duì)話框點(diǎn)擊確定后,xhr數(shù)據(jù)就隨之消失。
代碼如下:
(1)login.js
<code>//前端登錄業(yè)務(wù)類 var login={ checkUser:function(){ //獲取登錄頁面中的輸入數(shù)據(jù) var userName=$('input[name="username"]').val(); var userPass=$('input[name="userpass"]').val(); //使用ajax var url="/stfjzd-15/index.php/Home/Index/checkUser"; var data={"username":userName,"userpass":userPass}; $.post(url,data,function(result){ //$("#result").html(data.info).show(); //$("#result").fadeOut(4000); if(result.status){ alert(result.info); }else{ //alert(2); alert(result.info); } },"json"); } }</code>
(2)IndexController.class.php
<code><?php namespace Home\Controller; use Think\Controller; class IndexController extends Controller { public function index(){ $this->display(); } //用戶驗(yàn)證 public function checkUser(){ //接收變量,默認(rèn)htmlspecialchars過濾 $userName=I("post.username"); $userPass=I("post.userpass"); $User=D("Stuser"); //ThinkPHP的自動(dòng)驗(yàn)證必須使用create()才能啟用 if(!$User->create()){ return $this->error($User->getError()); //exit($User->getError()); } } //空操作 public function _empty(){ echo "頁面不存在,請(qǐng)檢查您輸入的路徑是否正確,我要返回<a href="%22._PHP_FILE_.%22" alt="返回首頁" title="返回首頁">首頁</a>"; } }</code>
(3)StuserModel.class.php
<code><?php namespace Home\Model; use Think\Model; //用戶表模型 class StuserModel extends Model{ //構(gòu)造函數(shù)創(chuàng)建模型 public function __construct(){ $this->DB=M("Stuser"); } //ThinkPHP的表單自動(dòng)驗(yàn)證 protected $_validate=array( array("username","require","用戶名不能為空"), array("userpass","require","密碼不能為空"), ); } ?></code>
用$this->ajaxReturn()
或者json_encode
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