## 掃碼登錄 > 掃碼登錄流程 > 1、 ~~~[api] post:/v1/user/loginByIM *login_sign#登錄簽名 *int:timestamp#請求時的時間戳（秒） *platform#請求來源平臺【pc=>被掃碼端, app=>掃碼端】 open_id# 如果platform=app，open_id不能為空 login_status#掃碼狀態【1、掃描，2、登錄】.如果platform=app，login_status不能為空 <<< success 1、SUCCESS1【PC端】 { "code": 0, "msg": "ok", "data": { "qrCodeStatus": 0, "qrCodeMsg": "客戶端未掃碼" } } 2、SUCCESS2【APP端，PC端】 { "code": 0, "msg": "ok", "data": { "qrCodeStatus": 1, "qrCodeMsg": "客戶端已掃碼,等待確認" } } 3、SUCCESS3【APP端，PC端】 { "code": 0, "msg": "ok", "data": { "qrCodeStatus": 2, "qrCodeMsg": "客戶端已確認登錄", "login_info": { "timestamp": 1542681956, "access_token": "9893b9610c8a305a9e3173bb852b8ecedc0ee572", "access_open_id": "c28b926fd2aec773d02cad7806f5ebf7", "identity": [{ "id": 2, "name": "代表端", "org": { "bloc_id": 12827, "org_id": 35299, "org_name": "上城區", "groups": [{ "group_id": 0, "path": "上城區\n" }] } }, { "id": 1, "name": "機關端", "org": { "bloc_id": 12827, "org_id": 35299, "org_name": "上城區", "groups": [{ "group_id": 0, "path": "上城區\n" }] } }], "login_times": 15 } } } 4、SUCCESS4【APP端，PC端】 { "code": 0, "msg": "二維碼失效", "data": { "qrCodeStatus": 3, "qrCodeMsg": "二維碼失效，請勿重新掃碼" } } <<< error 1、(-1, "參數錯誤：錯誤原因") 2、(-1, '掃碼失敗，請重試~') 【APP端：對應SUCCESS2】 3、(-1, '確認失敗，請重試~') 【APP端：對應SUCCESS3】 ~~~