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Flutter手机APP开发的第二天

APP开发

2024-08-19 发布浏览：1335 次

小黑总是遇到各种自以为是的BUG

（1）类型

以前：

目前开发的APP是二次开发，服务器相当成熟。该工具用于将HTTP请求返回的JSON数据转换为模型。JSON数据类型之一为1，工具生成的类型为int。在操作期间出现

类型“double”不是类型转换中类型“int”的子类型

Web端请求结果：

这显然是一个整数

调试屏幕截图

Dart调试结果

最终原因是服务器类型是float。飞镖没有浮漂；在模型中，用double替换int

（2）模拟器时间减少8小时

模拟器显示的时间比服务器返回的时间少8小时。

最好将模拟器的时间改为东区8的时间。

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频道：

APP开发

定制APP、安卓APP、苹果APP、电商APP

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Debug messages:

Template: main

Session:

Session type: db

[unisoft__unisoft] Array ( [permission] => [human_valid] => [passport] => )

Loaded Class:

Zend_Db: /web/unisoft/web.system/Zend/Db.php

Zend_Db_Adapter_Abstract: /web/unisoft/web.system/Zend/Db/Adapter/Abstract.php

Zend_Db_Adapter_Mysqli: /web/unisoft/web.system/Zend/Db/Adapter/Mysqli.php

Zend_Db_Profiler: /web/unisoft/web.system/Zend/Db/Profiler.php

Zend_Db_Statement_Interface: /web/unisoft/web.system/Zend/Db/Statement/Interface.php

Zend_Db_Statement: /web/unisoft/web.system/Zend/Db/Statement.php

Zend_Db_Statement_Mysqli: /web/unisoft/web.system/Zend/Db/Statement/Mysqli.php

Zend_Registry: /web/unisoft/web.system/Zend/Registry.php

Zend_Db_Table_Abstract: /web/unisoft/web.system/Zend/Db/Table/Abstract.php

Zend_Session_Abstract: /web/unisoft/web.system/Zend/Session/Abstract.php

Zend_Session: /web/unisoft/web.system/Zend/Session.php

Zend_Session_SaveHandler_Interface: /web/unisoft/web.system/Zend/Session/SaveHandler/Interface.php

Zend_Session_SaveHandler_DbTable: /web/unisoft/web.system/Zend/Session/SaveHandler/DbTable.php

Zend_Exception: /web/unisoft/web.system/Zend/Exception.php

Zend_Session_Exception: /web/unisoft/web.system/Zend/Session/Exception.php

Zend_Db_Select: /web/unisoft/web.system/Zend/Db/Select.php

Zend_Db_Table_Select: /web/unisoft/web.system/Zend/Db/Table/Select.php

Zend_Db_Expr: /web/unisoft/web.system/Zend/Db/Expr.php

Zend_Db_Table_Rowset_Abstract: /web/unisoft/web.system/Zend/Db/Table/Rowset/Abstract.php

Zend_Db_Table_Rowset: /web/unisoft/web.system/Zend/Db/Table/Rowset.php

Zend_Db_Table_Row_Abstract: /web/unisoft/web.system/Zend/Db/Table/Row/Abstract.php

Zend_Db_Table_Row: /web/unisoft/web.system/Zend/Db/Table/Row.php

HTTP: /web/unisoft/web.system/class/cls_http.inc.php

Zend_Session_Namespace: /web/unisoft/web.system/Zend/Session/Namespace.php

system_setting_class: /web/unisoft/web.core/system/setting.php

Zend_Cache: /web/unisoft/web.system/Zend/Cache.php

Zend_Cache_Backend: /web/unisoft/web.system/Zend/Cache/Backend.php

Zend_Cache_Backend_Interface: /web/unisoft/web.system/Zend/Cache/Backend/Interface.php

Zend_Cache_Backend_ExtendedInterface: /web/unisoft/web.system/Zend/Cache/Backend/ExtendedInterface.php

site_ip_class: /web/unisoft/web.core/site/ip.php

Zend_Validate_Interface: /web/unisoft/web.system/Zend/Validate/Interface.php

Zend_Validate: /web/unisoft/web.system/Zend/Validate.php

Zend_Loader: /web/unisoft/web.system/Zend/Loader.php

Zend_Validate_Abstract: /web/unisoft/web.system/Zend/Validate/Abstract.php

TPL: /web/unisoft/web.system/class/cls_template.inc.php

Savant3_Error: /web/unisoft/web.system/Savant3/Error.php

package_main_class: /web/unisoft/web.core/package/main.php

iot_hardware_main_class: /web/unisoft/web.core/iot/hardware/main.php

iot_hardware_category_class: /web/unisoft/web.core/iot/hardware/category.php

site_service_main_class: /web/unisoft/web.core/site/service/main.php

site_service_article_main_class: /web/unisoft/web.core/site/service/article/main.php

site_service_article_extra_class: /web/unisoft/web.core/site/service/article/extra.php

site_keyword_exclude_class: /web/unisoft/web.core/site/keyword/exclude.php

system_content_class: /web/unisoft/web.core/system/content.php

site_service_article_attachment_class: /web/unisoft/web.core/site/service/article/attachment.php

data_location_class: /web/unisoft/web.core/data/location.php

Database [main master]

[ Log time: 1788055740.0216 ] [ Expend time: 0.0049741268157959 ] Connect DB

Cache

[ Log time: 1788055740.0343 ] Backend:

[ Log time: 1788055740.035 ] [ Expend time: 0.000675 ] Get Cache: settings_ef8c7cef1f80fbad45b9ee480e92d03c, result type: array

[ Log time: 1788055740.0353 ] [ Expend time: 0.000249 ] Get Cache: crond, result type: boolean

[ Log time: 1788055740.0508 ] [ Expend time: 0.000771 ] Get Cache: model_7ec70ee0360b8a929eb442cbc38dfd27, result type: array

[ Log time: 1788055740.0542 ] [ Expend time: 0.002661 ] Get Cache: model_eebc36c56f6ebd5dc315368f04ea4f0d, result type: array

[ Log time: 1788055740.0556 ] [ Expend time: 0.000691 ] Get Cache: model_87644abf3b1d496cbf4b1667422d7d51, result type: array

[ Log time: 1788055740.0571 ] [ Expend time: 0.000727 ] Get Cache: site_service_list_7e49c82f3098f580fb5928807f5e466d, result type: array

[ Log time: 1788055740.0661 ] [ Expend time: 0.001948 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788055740.0733 ] [ Expend time: 0.001772 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788055740.0763 ] [ Expend time: 0.000385 ] Get Cache: 9bd87b63e7187f1586e83a2766cdc86d, result type: boolean

[ Log time: 1788055740.0793 ] [ Expend time: 0.001377 ] Save Cache: 9bd87b63e7187f1586e83a2766cdc86d, result type: integer

[ Log time: 1788055740.3289 ] [ Expend time: 0.001926 ] Get Cache: site_keyword_exclude_b2c64c08a5048d87cc4904022274c118, result type: array

[ Log time: 1788055740.3723 ] [ Expend time: 0.000364 ] Get Cache: data_location_by_id_0, result type: boolean

[ Log time: 1788055740.3728 ] [ Expend time: 0.000521 ] Get Cache: data_location_by_id_566, result type: array

[ Log time: 1788055740.3733 ] [ Expend time: 0.000466 ] Get Cache: data_location_by_id_241, result type: array

[ Log time: 1788055740.3737 ] [ Expend time: 0.000431 ] Get Cache: data_location_by_id_513, result type: array

[ Log time: 1788055740.3741 ] [ Expend time: 0.000371 ] Get Cache: data_location_by_id_615, result type: array

[ Log time: 1788055740.3745 ] [ Expend time: 0.000381 ] Get Cache: data_location_by_id_710, result type: array

[ Log time: 1788055740.3749 ] [ Expend time: 0.000425 ] Get Cache: data_location_by_id_617, result type: array

[ Log time: 1788055740.3753 ] [ Expend time: 0.000407 ] Get Cache: data_location_by_id_249, result type: array

[ Log time: 1788055740.3757 ] [ Expend time: 0.000367 ] Get Cache: data_location_by_id_502, result type: array

[ Log time: 1788055740.3761 ] [ Expend time: 0.000385 ] Get Cache: data_location_by_id_773, result type: array

[ Log time: 1788055740.3765 ] [ Expend time: 0.000390 ] Get Cache: data_location_list_d6ff08d2e02389b7587e4a98a4149e68, result type: array

[ Log time: 1788055740.381 ] [ Expend time: 0.001490 ] Save Cache: data_location_list_d6ff08d2e02389b7587e4a98a4149e68, result type: array

[ Log time: 1788055740.3815 ] [ Expend time: 0.000422 ] Get Cache: data_location_by_id_256, result type: array

[ Log time: 1788055740.3819 ] [ Expend time: 0.000437 ] Get Cache: data_location_by_id_251, result type: array

[ Log time: 1788055740.3824 ] [ Expend time: 0.000427 ] Get Cache: data_location_by_id_268, result type: array

[ Log time: 1788055740.3828 ] [ Expend time: 0.000405 ] Get Cache: data_location_by_id_252, result type: array

[ Log time: 1788055740.3833 ] [ Expend time: 0.000450 ] Get Cache: data_location_by_id_263, result type: array

[ Log time: 1788055740.3837 ] [ Expend time: 0.000379 ] Get Cache: data_location_by_id_259, result type: array

[ Log time: 1788055740.3841 ] [ Expend time: 0.000396 ] Get Cache: data_location_by_id_259, result type: array

Database [core master]

[ Log time: 1788055740.0389 ] [ Expend time: 0.0017678737640381 ] Connect DB

[ Log time: 1788055740.0399 ] [ Expend time: 0.00087499618530273 ] SELECT `z_ip`.* FROM `z_ip` WHERE (ip = '216.73.217' AND visit_time = 1788055740) LIMIT 1

[ Log time: 1788055740.0425 ] [ Expend time: 0.0025250911712646 ] INSERT INTO z_ip (ip, visit_time, visit_count) VALUES('216.73.217', 1788055740, 1)

[ Log time: 1788055740.0453 ] [ Expend time: 0.0027320384979248 ] DELETE FROM z_ip WHERE visit_count < 120 and visit_time <= 1788055560

[ Log time: 1788055740.0462 ] [ Expend time: 0.00075197219848633 ] SELECT SUM(visit_count) AS `n0` FROM `z_ip` WHERE ((ip = '216.73.217') AND is_delete = 0)

[ Log time: 1788055740.0587 ] [ Expend time: 0.0010139942169189 ] SELECT `z_service`.* FROM `z_service` WHERE (name = 'app') LIMIT 1

[ Log time: 1788055740.0617 ] [ Expend time: 0.0011260509490967 ] SELECT `z_service_article`.* FROM `z_service_article` WHERE (no = 'bc881b14e23e5dc5') LIMIT 1

[ Log time: 1788055740.0635 ] [ Expend time: 0.0011849403381348 ] SELECT `z_service_article_extra`.* FROM `z_service_article_extra` WHERE (is_delete = 0 AND article_id IN(32067))

[ Log time: 1788055740.0779 ] [ Expend time: 0.0015349388122559 ] UPDATE z_service_article SET view_count = view_count + 1 WHERE id = 32067

[ Log time: 1788055740.0813 ] [ Expend time: 0.0010471343994141 ] SELECT `z_service_article_attachment`.* FROM `z_service_article_attachment` WHERE (article_id = 32067 AND is_delete = 0) ORDER BY `id` DESC

[ Log time: 1788055740.0834 ] [ Expend time: 0.00099086761474609 ] SELECT `z_service`.* FROM `z_service` WHERE (id = 1) LIMIT 1

[ Log time: 1788055740.3269 ] [ Expend time: 0.24324607849121 ] SELECT `z_service_article`.* FROM `z_service_article` WHERE (is_delete = 0 AND (service_id = 1 AND is_enable = 1 AND publish_time <= 1788055740)) ORDER BY RAND() ASC LIMIT 8

[ Log time: 1788055740.3718 ] [ Expend time: 0.026688098907471 ] SELECT city_id, COUNT(*) AS count FROM z_service_article WHERE is_delete = 0 AND is_enable = 1 GROUP BY city_id ORDER BY count DESC

Database [data master]

[ Log time: 1788055740.3782 ] [ Expend time: 0.001594066619873 ] Connect DB

[ Log time: 1788055740.3795 ] [ Expend time: 0.0011467933654785 ] SELECT `z_location`.* FROM `z_location` WHERE (is_delete = 0 AND (is_delete = 0 AND id IN(0))) ORDER BY `id` ASC

Escape time: 0.37987017631531, 0 queries, PHP Memory usage: 5805.8203125 KB, Server time: 2026-08-30 10:09:00