Thinkphp 在api开发中异常返回依然是html的解决方式

// 判断默认输出类型
// $app 是配置数组
if ($app['default_return_type'] == 'json') {
 // 异常处理handle类 留空使用 thinkexceptionHandle
 $app['exception_handle'] = 'appcommonexceptionJsonException';
}
return $app;

<?php
namespace appcommonexception;
use Exception;
use thinkexceptionErrorException;
use thinkexceptionHandle;
use thinkexceptionHttpException;
use thinkconsoleOutput;
use thinkContainer;
use thinkResponse;
class JsonException extends Handle
{
protected $render;
protected $ignoreReport = [
'\think\exception\HttpException',
];
public function setRender($render)
{
$this- render = $render;
}
/**
* Report or log an exception.
*
* @access public
* @param Exception $exception
* @return void
*/
public function report(Exception $exception)
{
if (!$this- isIgnoreReport($exception)) {
// 收集异常数据
if (Container::get('app')- isDebug()) {
$data = [
'file' =  $exception- getFile(),
'line' =  $exception- getLine(),
'message' =  $this- getMessage($exception),
'code' =  $this- getCode($exception),
];
$log = "[{$data['code']}]{$data['message']}[{$data['file']}:{$data['line']}]";
} else {
$data = [
'code' =  $this- getCode($exception),
'message' =  $this- getMessage($exception),
];
$log = "[{$data['code']}]{$data['message']}";
}
if (Container::get('app')- config('log.record_trace')) {
$log .= "rn" . $exception- getTraceAsString();
}
Container::get('log')- record($log, 'error');
}
}
protected function isIgnoreReport(Exception $exception)
{
foreach ($this- ignoreReport as $class) {
if ($exception instanceof $class) {
return true;
}
}
return false;
}
/**
* Render an exception into an HTTP response.
*
* @access public
* @param Exception $e
* @return Response
*/
public function render(Exception $e)
{
if ($this- render && $this- render instanceof Closure) {
$result = call_user_func_array($this- render, [$e]);
if ($result) {
return $result;
}
}
if ($e instanceof HttpException) {
return $this- renderHttpException($e);
} else {
return $this- convertExceptionToResponse($e);
}
}
/**
* @access public
* @param Output $output
* @param Exception $e
*/
public function renderForConsole(Output $output, Exception $e)
{
if (Container::get('app')- isDebug()) {
$output- setVerbosity(Output::VERBOSITY_DEBUG);
}
$output- renderException($e);
}
/**
* @access protected
* @param HttpException $e
* @return Response
*/
protected function renderHttpException(HttpException $e)
{
$status = $e- getStatusCode();
$template = Container::get('app')- config('http_exception_template');
if (!Container::get('app')- isDebug() && !empty($template[$status])) {
return Response::create($e, 'json', $status);
} else {
return $this- convertExceptionToResponse($e);
}
}
/**
* @access protected
* @param Exception $exception
* @return Response
*/
protected function convertExceptionToResponse(Exception $exception)
{
// 收集异常数据
if (Container::get('app')- isDebug()) {
// 调试模式，获取详细的错误信息
$data = [
'name' =  get_class($exception),
'file' =  $exception- getFile(),
'line' =  $exception- getLine(),
'message' =  $this- getMessage($exception),
'trace' =  $exception- getTrace(),
'code' =  $this- getCode($exception),
'source' =  $this- getSourceCode($exception),
'datas' =  $this- getExtendData($exception),
'tables' =  [
'GET Data'    =  $_GET,
'POST Data'    =  $_POST,
'Files'     =  $_FILES,
'Cookies'    =  $_COOKIE,
'Session'    =  isset($_SESSION) ? $_SESSION : [],
'Server/Request Data' =  $_SERVER,
'Environment Variables' =  $_ENV,
'ThinkPHP Constants' =  $this- getConst(),
],
];
} else {
// 部署模式仅显示 Code 和 Message
$data = [
'code' =  $this- getCode($exception),
'message' =  $this- getMessage($exception),
];
if (!Container::get('app')- config('show_error_msg')) {
// 不显示详细错误信息
$data['message'] = Container::get('app')- config('error_message');
}
}
//保留一层
while (ob_get_level()   1) {
ob_end_clean();
}
$data['echo'] = ob_get_clean();
$response = Response::create($data, 'json');
if ($exception instanceof HttpException) {
$statusCode = $exception- getStatusCode();
$response- header($exception- getHeaders());
}
if (!isset($statusCode)) {
$statusCode = 500;
}
$response- code($statusCode);
return $response;
}
/**
* 获取错误编码
* ErrorException则使用错误级别作为错误编码
* @access protected
* @param Exception $exception
* @return integer    错误编码
*/
protected function getCode(Exception $exception)
{
$code = $exception- getCode();
if (!$code && $exception instanceof ErrorException) {
$code = $exception- getSeverity();
}
return $code;
}
/**
* 获取错误信息
* ErrorException则使用错误级别作为错误编码
* @access protected
* @param Exception $exception
* @return string    错误信息
*/
protected function getMessage(Exception $exception)
{
$message = $exception- getMessage();
if (PHP_SAPI == 'cli') {
return $message;
}
$lang = Container::get('lang');
if (strpos($message, ':')) {
$name = strstr($message, ':', true);
$message = $lang- has($name) ? $lang- get($name) . strstr($message, ':') : $message;
} elseif (strpos($message, ',')) {
$name = strstr($message, ',', true);
$message = $lang- has($name) ? $lang- get($name) . ':' . substr(strstr($message, ','), 1) : $message;
} elseif ($lang- has($message)) {
$message = $lang- get($message);
}
return $message;
}
/**
* 获取出错文件内容
* 获取错误的前9行和后9行
* @access protected
* @param Exception $exception
* @return array     错误文件内容
*/
protected function getSourceCode(Exception $exception)
{
// 读取前9行和后9行
$line = $exception- getLine();
$first = ($line - 9   0) ? $line - 9 : 1;
try {
$contents = file($exception- getFile());
$source = [
'first' =  $first,
'source' =  array_slice($contents, $first - 1, 19),
];
} catch (Exception $e) {
$source = [];
}
return $source;
}
/**
* 获取异常扩展信息
* 用于非调试模式html返回类型显示
* @access protected
* @param Exception $exception
* @return array     异常类定义的扩展数据
*/
protected function getExtendData(Exception $exception)
{
$data = [];
if ($exception instanceof thinkException) {
$data = $exception- getData();
}
return $data;
}
/**
* 获取常量列表
* @access private
* @return array 常量列表
*/
private static function getConst()
{
$const = get_defined_constants(true);
return isset($const['user']) ? $const['user'] : [];
}
}