PD20101207 5%苦参碱

基本文件流程错误 SQL 调试

/www/wwwroot/djzcms.yangzhongchao.com/public/index.php ( 0.93 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/autoload.php ( 0.17 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/composer/autoload_real.php ( 2.57 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/composer/platform_check.php ( 0.90 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/composer/ClassLoader.php ( 15.69 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/composer/autoload_static.php ( 7.94 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/helper.php ( 8.34 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/ralouphie/getallheaders/src/getallheaders.php ( 1.60 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/stubs/load_stubs.php ( 0.16 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Exception.php ( 1.69 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-container/src/Facade.php ( 2.71 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-validate/src/helper.php ( 2.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yansongda/supports/src/Functions.php ( 1.53 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/symfony/deprecation-contracts/function.php ( 0.99 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/symfony/polyfill-mbstring/bootstrap.php ( 8.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/symfony/polyfill-mbstring/bootstrap80.php ( 9.77 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yansongda/artful/src/Functions.php ( 2.49 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/guzzlehttp/guzzle/src/functions_include.php ( 0.16 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/guzzlehttp/guzzle/src/functions.php ( 5.54 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/overtrue/pinyin/src/const.php ( 0.49 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/symfony/var-dumper/Resources/functions/dump.php ( 0.99 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-captcha/src/helper.php ( 1.37 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yansongda/pay/src/Functions.php ( 19.44 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/common.php ( 12.73 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/App.php ( 15.00 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-container/src/Container.php ( 15.62 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/psr/container/src/ContainerInterface.php ( 1.02 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/provider.php ( 0.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Http.php ( 6.04 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/helper/Str.php ( 7.29 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Env.php ( 4.68 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common.php ( 25.17 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Request.php ( 9.00 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/Request.php ( 0.09 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Request.php ( 55.74 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/helper.php ( 18.78 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Config.php ( 5.54 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/addons.php ( 0.60 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/app.php ( 1.68 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/cache.php ( 1.61 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/captcha.php ( 1.13 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/console.php ( 0.37 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/cookie.php ( 0.56 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/database.php ( 2.25 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Env.php ( 1.67 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/lang.php ( 0.91 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/log.php ( 1.37 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/middleware.php ( 0.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/route.php ( 1.74 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/session.php ( 0.57 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/site.php ( 5.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/throttle.php ( 1.89 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/token.php ( 1.42 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/trace.php ( 0.34 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/upload.php ( 1.54 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/version.php ( 0.91 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/view.php ( 1.20 KB )
/www/wwwroot/djzcms.yangzhongchao.com/config/yzn.php ( 1.98 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/event.php ( 0.25 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Event.php ( 7.67 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/service.php ( 0.12 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Config.php ( 1.37 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/AddonsService.php ( 3.04 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Service.php ( 1.64 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/addons/App.php ( 2.51 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/Cms.php ( 10.07 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/Addons.php ( 6.25 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/throttle/Throttle.php ( 2.03 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Cache.php ( 2.06 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Cache.php ( 4.92 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Manager.php ( 3.92 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/psr/simple-cache/src/CacheInterface.php ( 4.71 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/helper/Arr.php ( 16.63 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/cache/driver/File.php ( 7.84 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/cache/Driver.php ( 9.03 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/contract/CacheHandlerInterface.php ( 1.99 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/View.php ( 1.70 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/View.php ( 4.39 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-view/src/Think.php ( 8.38 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/contract/TemplateHandlerInterface.php ( 1.60 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-template/src/Template.php ( 46.61 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-template/src/template/driver/File.php ( 2.41 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-template/src/template/contract/DriverInterface.php ( 0.86 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Route.php ( 4.68 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Route.php ( 23.56 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/RuleName.php ( 5.34 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/Domain.php ( 1.25 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/RuleGroup.php ( 20.45 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/Rule.php ( 26.35 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/RuleItem.php ( 9.78 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/function.php ( 14.29 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/AppService.php ( 0.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Lang.php ( 7.35 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/lang/zh-cn.php ( 13.70 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/initializer/Error.php ( 3.31 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/initializer/RegisterService.php ( 1.33 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/services.php ( 0.21 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/service/PaginatorService.php ( 1.52 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/service/ValidateService.php ( 0.99 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/service/ModelService.php ( 1.75 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-captcha/src/CaptchaService.php ( 0.52 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-multi-app/src/Service.php ( 1.05 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-trace/src/Service.php ( 0.77 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Middleware.php ( 6.72 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/initializer/BootService.php ( 0.77 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/Paginator.php ( 11.71 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-validate/src/Validate.php ( 62.20 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/Model.php ( 26.86 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/contract/Arrayable.php ( 0.09 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/contract/Jsonable.php ( 0.13 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/Attribute.php ( 19.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/RelationShip.php ( 26.44 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/ModelEvent.php ( 2.58 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/TimeStamp.php ( 5.69 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/AutoWriteId.php ( 1.44 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/concern/Conversion.php ( 10.85 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Db.php ( 2.88 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/DbManager.php ( 8.33 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Log.php ( 6.28 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/psr/log/src/LoggerInterface.php ( 2.71 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/psr/log/src/LoggerTrait.php ( 2.69 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Console.php ( 22.81 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/middleware.php ( 0.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Pipeline.php ( 2.61 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-trace/src/TraceDebug.php ( 2.94 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/middleware/SessionInit.php ( 2.07 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Session.php ( 1.80 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/session/driver/File.php ( 6.27 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/contract/SessionHandlerInterface.php ( 0.87 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/session/Store.php ( 7.12 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-multi-app/src/MultiApp.php ( 7.06 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/addons/dispatch/Controller.php ( 4.53 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/Dispatch.php ( 10.54 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/middleware/CommonInit.php ( 1.67 KB )
/www/wwwroot/djzcms.yangzhongchao.com/extend/form/Form.php ( 4.22 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/controller/Index.php ( 14.31 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/controller/Cmsbase.php ( 1.53 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/yzncms/think-addons/src/addons/Controller.php ( 6.16 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/controller/BaseController.php ( 3.62 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/library/traits/Jump.php ( 5.36 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/config.php ( 4.42 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/library/Auth.php ( 14.49 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Cookie.php ( 1.48 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Cookie.php ( 6.06 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/model/Cms.php ( 5.40 KB )
/www/wwwroot/djzcms.yangzhongchao.com/app/common/middleware/ActionBegin.php ( 1.21 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/facade/Event.php ( 1.79 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/library/Cache_factory.php ( 3.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/facade/Db.php ( 0.93 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/connector/Mysql.php ( 4.33 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/PDOConnection.php ( 51.60 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/Connection.php ( 8.81 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/ConnectionInterface.php ( 4.86 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/builder/Mysql.php ( 16.56 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/Builder.php ( 22.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/BaseBuilder.php ( 27.29 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/Query.php ( 15.21 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/BaseQuery.php ( 41.60 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/TimeFieldQuery.php ( 7.43 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/AggregateQuery.php ( 3.26 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/ModelRelationQuery.php ( 19.29 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/ParamsBind.php ( 3.66 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/ResultOperation.php ( 6.98 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/Transaction.php ( 2.77 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/WhereQuery.php ( 18.79 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/JoinAndViewQuery.php ( 6.96 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/concern/TableFieldInfo.php ( 2.46 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/log/driver/File.php ( 6.19 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/contract/LogHandlerInterface.php ( 0.86 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/log/Channel.php ( 3.88 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/event/LogRecord.php ( 0.86 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/library/Service.php ( 12.79 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/CacheItem.php ( 4.36 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/cache/TagSet.php ( 3.18 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-multi-app/src/Url.php ( 7.52 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/route/Url.php ( 14.07 KB )
/www/wwwroot/djzcms.yangzhongchao.com/runtime/temp/89032e9a39d0d6d922304b8595a3e94d.php ( 15.50 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/taglib/CmsTagLib.php ( 7.65 KB )
/www/wwwroot/djzcms.yangzhongchao.com/addons/cms/model/Category.php ( 3.43 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/db/Raw.php ( 1.22 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-orm/src/model/Collection.php ( 6.96 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-helper/src/Collection.php ( 16.47 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/Response.php ( 8.81 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/framework/src/think/response/Html.php ( 0.97 KB )
/www/wwwroot/djzcms.yangzhongchao.com/vendor/topthink/think-trace/src/Html.php ( 4.37 KB )

农药登记证信息
登记证号：	PD20101207	首次批准日期：	2010-2-21	有效期至：	2030-2-20
农药名称：	苦参碱	毒性：	微毒	剂型：	母药
登记证持有人：	江苏省南通神雨绿色药业有限公司
农药类别：	杀虫剂		总有效成分含量：	5%
备注：

制剂用药量信息
作物/场所	防治对象	用药量（制剂量/亩）	施用方法

有效成分信息
有效成分	有效成分英文名	有效成分含量
苦参碱	matrine	5%

农药登记数据

农药登记证标签