我想獲取body的值，怎么做 object(HttpResponse)#11 (7) { ["content":"HttpResponse":private] => string(1047) "HTTP/1.1 200 OK Server: Tengine Date: Fri, 22 Jun 2018 09:52:33 GMT Content-Type: application/json; charset=UTF-8 Content-Length: 52 Connection: keep-alive Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET,POST,PUT,DELETE,HEAD,OPTIONS,PATCH Access-Control-Allow-Headers: X-Requested-With,X-Sequence,X-Ca-Key,X-Ca-Secret,X-Ca-Version,X-Ca-Timestamp,X-Ca-Nonce,X-Ca-API-Key,X-Ca-Stage,X-Ca-Client-DeviceId,X-Ca-Client-AppId,X-Ca-Signature,X-Ca-Signature-Headers,X-Ca-Signature-Method,X-Forwarded-For,X-Ca-Date,X-Ca-Request-Mode,Authorization,Content-Type,Accept,Accept-Ranges,Cache-Control,Range,Content-MD5 Access-Control-Max-Age: 172800 X-Ca-Request-Id: CC7C80AD-3CCB-4F54-B14D-3BDA143AC3BE Vary: Accept-Encoding ufe-result: A2 Pragma: no-cache Cache-Control: no-store Via: 71aae546d43b[web,200] Set-Cookie: SERVERID=c0cb0a9f805e8a70fc370b48877e9e8e|1529661153|1529661153;Path=/ X-Ca-Error-Message: OK X-Ca-Debug-Info: {"TotalLatency":81,"ServiceLatency":55} {"code":601,"message":"數據不存在","data":null}" ["body":"HttpResponse":private] => string(52) "{"code":601,"message":"數據不存在","data":null}" ["header":"HttpResponse":private] => string(995) "HTTP/1.1 200 OK Server: Tengine Date: Fri, 22 Jun 2018 09:52:33 GMT Content-Type: application/json; charset=UTF-8 Content-Length: 52 Connection: keep-alive Access-Control-Allow-Origin: * Access-Control-Allow-Methods: GET,POST,PUT,DELETE,HEAD,OPTIONS,PATCH Access-Control-Allow-Headers: X-Requested-With,X-Sequence,X-Ca-Key,X-Ca-Secret,X-Ca-Version,X-Ca-Timestamp,X-Ca-Nonce,X-Ca-API-Key,X-Ca-Stage,X-Ca-Client-DeviceId,X-Ca-Client-AppId,X-Ca-Signature,X-Ca-Signature-Headers,X-Ca-Signature-Method,X-Forwarded-For,X-Ca-Date,X-Ca-Request-Mode,Authorization,Content-Type,Accept,Accept-Ranges,Cache-Control,Range,Content-MD5 Access-Control-Max-Age: 172800 X-Ca-Request-Id: CC7C80AD-3CCB-4F54-B14D-3BDA143AC3BE Vary: Accept-Encoding ufe-result: A2 Pragma: no-cache Cache-Control: no-store Via: 71aae546d43b[web,200] Set-Cookie: SERVERID=c0cb0a9f805e8a70fc370b48877e9e8e|1529661153|1529661153;Path=/ X-Ca-Error-Message: OK X-Ca-Debug-Info: {"TotalLatency":81,"ServiceLatency":55} " ["requestId":"HttpResponse":private] => string(36) "CC7C80AD-3CCB-4F54-B14D-3BDA143AC3BE" ["errorMessage":"HttpResponse":private] => string(2) "OK" ["contentType":"HttpResponse":private] => string(31) "application/json; charset=UTF-8" ["httpStatusCode":"HttpResponse":private] => int(200) }