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报错的内容应该以API形式显示

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->必须覆盖render方法

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ApiHandleException.php

<?php
/**
 * Created by PhpStorm.
 * User: tong
 * Date: 2017/11/15
 * Time: 14:13
 */

namespace app\common\lib\exception;

use Exception;
use think\exception\Handle;

class ApiHandleException extends Handle
{
    /**
     * http状态码
     * @var int 500 内部错误
     */
    public $httpCode = 500;

    public function render(Exception $e)
    {
        return show(0, $e->getMessage(), [], $this->httpCode);
    }
}

Test.php

/**
     * post 新增
     * @return mixed
     */
    public function save()
    {
        if(ids){
            echo "test";
        }
//        try{
//            model('asasas');
//        }catch(\Exception $e){
//            return show(0,$e->getMessage(),400);
//        }

        //获取到提交数据 插入库
        //给客户端APP =》 接口数据

        //201 创建成功
        return show(1, 'OK', input('post.'), 201);
    }

config.php

  'exception_handle' => '\app\common\lib\exception\ApiHandleException',

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Test.php

public function save()
    {
        $data = input('post.');
        if($data['mt']!=1){
            exception('您提交的数据不合法',403);
        }
        //获取到提交数据 插入库
        //给客户端APP =》 接口数据

        //201 创建成功
        return show(1, 'OK', input('post.'), 201);
    }

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状态码仍然是500

=>

ApiHandleException

<?php
/**
 * Created by PhpStorm.
 * User: tong
 * Date: 2017/11/15
 * Time: 14:13
 */

namespace app\common\lib\exception;

use Exception;
use think\exception\Handle;

class ApiHandleException extends Handle
{
    /**
     * http状态码
     * @var int 500 内部错误
     */
    public $httpCode = 500;

    public function render(Exception $e)
    {
        //给服务端看的
        if (config('app_debug') == true) {
            return parent::render($e);
        }
        if ($e instanceof ApiException) {
            $this->httpCode = $e->httpCode;
        }
        return show(0, $e->getMessage(), [], $this->httpCode);
    }
}

ApiException

<?php
/**
 * Created by PhpStorm.
 * User: tong
 * Date: 2017/11/15
 * Time: 14:55
 */

namespace app\common\lib\exception;

use think\Exception;

class ApiException extends Exception
{
    public $message = '';

    public $httpCode = 500;

    public $code = 0;


    /**
     * ApiException constructor.
     * @param string $message
     * @param int $httpCode
     * @param int $code
     */
    public function __construct($message = "", $httpCode = 0, $code = 0)
    {
        $this->httpCode = $httpCode;
        $this->message = $message;
        $this->code = $code;

    }
}

Test.php

<?php
/**
 * Created by PhpStorm.
 * User: tong
 * Date: 2017/11/15
 * Time: 10:23
 */

namespace app\api\controller;

use app\common\lib\exception\ApiException;
use think\Controller;

class Test extends Controller
{

    public function index()
    {
        return [
            'sgsg',
            'sgsgs',
        ];
    }

    public function update($id = 0)
    {
//        return $id;//http://singwa.com/test/100

        halt(input('put.'));//body提交

    }

    /**
     * post 新增
     * @return mixed
     */
    public function save()
    {
        $data = input('post.');
        if($data['mt']!=1){
            //exception('您提交的数据不合法',403);
            throw new ApiException('您提交的数据不合法~~~',403);
        }
        //获取到提交数据 插入库
        //给客户端APP =》 接口数据

        //201 创建成功
        return show(1, 'OK', input('post.'), 201);
    }
}

app_debug==true

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app_debug==false

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