JavaScript--全选、全不选、反选、无刷新删除、批量删除、即点即改入库（在yii框架中操作）

<?php
header("content-type:text/html;charset=utf-8");
use yiihelpersHtml;
use yiiwidgetsLinkPager;
//print_r($countries);die;  
?>
<h1>显示出数据</h1>
<input type="checkbox" value="全选" onclick="check(this);">全选
<input type="checkbox" value="全不选" onclick="check_bx(this);">全不选
<input type="checkbox" value="反选" onclick="check_fx();">反选
<input type="checkbox" value="批量删除" onclick="check_del();">批量删除

<script src="public/jq.js"></script>
<style media="screen">
    tr{
        background-color: red;
        font-family: 宋体;
        width: 100px;
        height: 30px;
        line-height: 30px;
        text-align: center;
    }
    td{
        background-color: pink;
        border: 2px solid purple;
    }
    .aa{
        border: 2px solid green;
        background-color: yellow;
        font-family: 隶书;
    }
    h1{
        font-family: 华文行楷;
        box-shadow: 10px 10px 5px #888888;
        border:2px solid;
        border-radius:25px;
        width: 200px;
        background-color: white;
    }
    th{
        font-family: 隶书;
        border: 2px solid green;
        background-color: yellow;
    }
    .checkbox{
        width: 25px;
        height: 30px;
    }
</style>
<table border="1">
    <th></th>
    <th>序列号</th>
    <th>父级ID</th>
    <th>地区名称</th>
    <th>操作</th>
    <?php foreach ($countries as $k => $v) {  ?>
        <tr>
            <td><input type="checkbox" id="<?php echo $v['r_id'] ?>" class="checkbox" name="check[]" value="<?php echo $v['r_id'] ?>"></td>
            <td><?php echo $v['r_id'] ?></td>
            <td><?php echo $v['pid'] ?></td>
            <td><span class="num" id="<?php echo $v['r_id'] ?>"><?php echo $v['r_name']?></span></td>
            <td><a href="javascript:void(0)" id="<?php echo $v['r_id'] ?>" class="aa" onclick="del(this)">删除 </a></td>
        </tr>
    <?php } ?>
</table>
<?= LinkPager::widget(['pagination' => $pagination]) ?>
<script type="text/javascript">
    //即点即改入库  
    $(function(){
        $(document).on('click','.num',function(){
            var id=$(this).attr('id');
            var _this=$(this);
            var new_val=$(this).html();
            _this.parent().html("<input type='text'class='asdf' value="+new_val+" id="+id+">");
            var inp=$('.asdf');
            inp.focus();
            inp.blur(function(){
                var old_id=$(this).attr('id');
                var old_val=$(this).val();
                //inp.parent().html("<span class="num" id="+old_id+">"+old_val+"</span>");  
                $.get("index.php?r=upload/updates",{measure_unit:old_val,id:old_id},function(e){
                    if(e==1){
                        inp.parent().html("<span class="num" id="+old_id+">"+old_val+"</span>");
                    }else{
                        inp.parent().html("<span class="num" id="+old_id+">"+new_val+"</span>");
                    }
                })
            })
        })
    })
</script>
<script>
    //无刷新删除  
    function del(obj)
    {
        var ids=obj.id;
        ajax=new XMLHttpRequest();
        ajax.onreadystatechange=function()
        {
            if(ajax.readyState==4)
            {
                //alert(ajax.responseText);  
                if(ajax.responseText==1)
                {
                    obj.parentNode.parentNode.parentNode.removeChild(obj.parentNode.parentNode);
                }
                else{
                    alert("删除失败");
                }
            }
        }
        ajax.open("get","index.php?r=upload/del&ids="+ids);
        ajax.send(null);
    }
    /*全选*/
    function check(obj)
    {
        var ids=document.getElementsByName("check[]");
        if(obj.checked)
        {
            for(var i=0;i<ids.length;i++)
            {
                ids[i].checked=true;
            }
        }
    }
    /*全不选*/
    function check_bx(obj)
    {
        var ids=document.getElementsByName("check[]");
        if(obj.checked)
        {
            for(var i=0;i<ids.length;i++)
            {
                ids[i].checked=false;
            }
        }
    }
    //反选  
    function check_fx()
    {
        var ids=document.getElementsByName("check[]");
        for(var i=0;i<ids.length;i++)
        {
            ids[i].checked=!ids[i].checked;
        }
    }
    /*批量删除*/
    function check_del()
    {
        var ids=document.getElementsByName("check[]");
        var str='';
        for(var i=0;i<ids.length;i++)
        {
            if(ids[i].checked)
            {
                str=str+','+ids[i].value;
            }
        }
        new_str=str.substr(1);
        ajax=new XMLHttpRequest();
        ajax.onreadystatechange=function() {
            if (ajax.readyState == 4) {
                //alert(ajax.responseText);    
                if(ajax.responseText==1)
                {
                    for(var j=ids.length-1;j>=0;j--)
                    {
                        if(ids[j].checked)
                        {
                            ids[j].parentNode.parentNode.parentNode.removeChild(ids[j].parentNode.parentNode);
                        }
                    }

                }
                else
                {
                    alert("删除失败");
                }
            }
        }
        ajax.open("get","index.php?r=upload/del_all&new_str="+new_str);
        ajax.send(null);
    }

<?php
namespace appcontrollers;

use Yii;
use yiifiltersAccessControl;
use yiiwebController;
use yiifiltersVerbFilter;
use appmodelsLoginForm;
use appmodelsContactForm;
use yiiwebUploadedFile;
use appmodelsUpload;
use yiidataPagination;
use appmodelsCountry;
use appmodelsRegion;

class UploadController extends Controller
{
    //public $layout=false; //禁用yii自带样式  
    public function actionIndex(){
        $model = new Upload();
        if ($model->load(Yii::$app->request->post()) && $model->validate()) {
            // 验证 $model 收到的数据  
            // 做些有意义的事 ...  
            return $this->render('entry-confirm', ['model' => $model]);
        } else {
            // 无论是初始化显示还是数据验证错误  
            return $this->render('entry', ['model' => $model]);
        }
    }
    public function actionAdds()
    {
        $model = new Upload();
        $request = Yii::$app->request;
        $post=$request->post('Upload');
        $u_name = $post['u_name'];
        $u_pwd = $post['u_pwd'];
        //在浏览器输出的值是 yiiwebUploadedFile Object ( [name] => 2.jpg [tempName] => C:Windowsphp3986.tmp  
        // [type] => image/jpeg [size] => 216848 [error] => 0 )  
        $arr =  $model->u_img = UploadedFile::getInstance($model,'u_img');
        //print_r($arr);  
        if ($model->upload()){
            $u_img = $arr->name;
            //var_dump($u_img);  
            $connection = Yii::$app->db;
            $result=$connection->createCommand()->insert('upload', [
                'u_name' => $u_name,
                'u_pwd' => $u_pwd,
                'u_img' =>$u_img,
            ])->execute();
            if($result)
            {
                echo "添加成功";
            }
            else
            {
                echo "添加失败";
            }
        }

    }
    /*分页*/
    public function actionLists()
    {
        $query = Country::find();

        $pagination = new Pagination([
            'defaultPageSize' => 1,
            'totalCount' => $query->count(),
        ]);

        $countries = $query->orderBy('name')
            ->offset($pagination->offset)
            ->limit($pagination->limit)
            ->all();

        return $this->render('lists', [
            'countries' => $countries,
            'pagination' => $pagination,
        ]);
    }
    /*地区表进行分页*/
    public function actionShow(){
        $query = Region::find();
        $pagination = new Pagination([
            'defaultPageSize' => 6,
            'totalCount' => $query->count(),
        ]);
        $countries = $query->orderBy('r_id')
            ->offset($pagination->offset)
            ->limit($pagination->limit)
            ->all();
        return $this->render('show', [
            'countries' => $countries,
            'pagination' => $pagination,
        ]);
    }
    /*修改*/
    public function actionUpdates(){
        $name = $_GET['measure_unit'];
        $id = $_GET['id'];
        $connection = Yii::$app->db;
        $command = $connection->createCommand("UPDATE region SET r_name='$name' WHERE r_id='$id'");
        $command->execute();
        if(!empty($command)){
            echo 1;
        }else{
            echo 0;
        }
    }
    // 无刷新delete  
    public function actionDel(){
        $id=$_GET['ids'];
        $connection=Yii::$app->db;
        $arr=$connection->createCommand("delete from region where r_id='$id'")->execute();
        if($arr){
            echo 1;
        }else{
            echo 0;
        }
    }
    /*  
   批量删除  
   @new_str  GET  
   */
    public function actionDel_all(){
        $new_str=$_GET['new_str'];
        $connection=Yii::$app->db;
        $arr=$connection->createCommand("delete from region where r_id in($new_str)")->execute();
        if($arr){
            echo 1;
        }else{
            echo 0;
        }
    }
}
?>  

另外一种方法：

<h1>您得到的验证码为：<font id="sum" color="red"></font></h1>
<h2><font color="aqua">验证码的个数是：</font><input type="text" id="num"></h2>
<h3><input type="button" onclick="fun();" value="点击生成"><input type="reset" value="刷新"></h3>
<html>
<title>点名表</title>
<fieldset style="color: blue">
    <legend><h2>1408phpE班级点名表</h2></legend>
    <h1>点名表</h1>
    <h3><textarea id="student"></textarea></h3>
    <input type="button" onclick="fun1();" value="点击" id="one">
</fieldset>
</html>
<form>
    <p>
        <input type="checkbox" id="ab" onclick="fun5();"> 全选/全不选<br>
        <input type="checkbox" value="反选" onclick="fun6();" id="fa">反选<br>
        <input type="checkbox" name="a" value="吃饭">吃饭<br>
        <input type="checkbox" name="a" value="睡觉">睡觉<br>
        <input type="checkbox" name="a" value="打豆豆">打豆豆<br>
        <input type="checkbox" name="a" value="玩游戏">玩游戏<br>
        <input type="checkbox" name="a" value="看电影">看电影<br>
    </p>
</form>

<script>
    //点名表  
    document.bgColor='green';
    function fun2(){
        var arr=Array('134','1234','14324','12342134','1234123424','34534','6434','342','234','234','342','2341','24','a','s','d','f','g','h','j','n','v','x','xw');
        var num=parseInt(Math.random()*arr.length);
        document.getElementById('student').innerHTML=arr[num];
    }
    function fun1(){
        if(document.getElementById('one').value=='开始'){
            document.getElementById('one').value='停止';
            a=setInterval("fun2();",10)
        }else{
            document.getElementById('one').value='开始';
            clearInterval(a);
        }
    }
    //验证码  
    function fun(){
        var num=document.getElementById('num').value;
        var s='';
        for(var a=1;a<=num;a++){
            s=s+parseInt(Math.random()*10);
        }
        document.getElementById('sum').innerHTML=s;
    }
    //全选  
    function fun5(){
        var q=document.getElementById('ab');
        var w=document.getElementsByName('a');
        if(q.checked==true){
            for(var a=0;a< w.length;a++){
                w[a].checked=false;
            }
        }else{
            for(var a=0;a< w.length;a++){
                w[a].checked=true;
            }
        }
    }
    //反选  
    function fun6(){
        var e=document.getElementsByName('a');
        for(var b=0;b< e.length;b++){
            if(e[b].checked){
                e[b].checked=false;
            }else{
                e[b].checked=true;
            }
        }
    }
</script>