基于jQuery EasyUI的可编辑数据网格功能分析与实现-豆柴文库

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基于jQueryEasyUI的可编辑数据网格功能分析与实现
Introduction
jQueryEasyUIisapowerfulandpopularJavaScriptframeworkthatallowsforeasyandrapiddevelopmentofwebapplications.OneofthemanyfeaturesEasyUIoffersistheeditabledatagrid,whichpermitstheusertomodifydatacellsdirectlyfromwithintheapplication.Inthispaper,wewilloutlinethekeybenefitsofusinganeditabledatagrid,thecomponentsrequiredtocreateone,andhowtoimplementitusingEasyUI.
BenefitsofanEditableDataGrid
Inawebapplication,aneditabledatagridisanessentialfeaturethatservesasafoundationformanybusinessintelligenceanddataanalysistools.Theprimarybenefitofaneditabledatagridisthatitprovidesauser-friendlyinterfaceformanaginglargeamountsofdata.Aneditabledatagridallowstheusertointeractwithdata,edititasnecessary,andultimatelymodifythedatawithoutneedingtonavigatetoanotherscreenoropenaseparatedialogbox.
ComponentsRequiredforanEditableDataGrid
Aneditabledatagridrequiresafewnecessarycomponents,includingthegriditself,adatasource,aneditor,andasave/submitbutton.Thedatasourceistherawdatathatwillpopulatethegrid,andaneditoristheinterfacethattheuserwillutilizetoeditthedata.Thesave/submitbuttonisafeaturethatsavesediteddataandsendsitbacktotheserver.
ImplementinganEditableDataGridinEasyUI
ImplementinganeditabledatagridinEasyUIrequiresseveralsteps.First,youneedtocreateanHTMLtabletoserveasthegrid.Thenextstepistocreatetheeditorforeachcellinthegrid.EasyUIprovidesa“datagrid-editor”objectthatallowsyoutodefinetheeditortype,suchasatextboxordrop-downlist.Oncetheeditoriscreated,youcanattachittothecelltoallowin-placeediting.
Aftercreatingtheeditor,youneedtosetupthesavebutton.EasyUIprovidesa“datagrid-toolbar”objectthatallowsyoutodefinebuttonsthatperformspecificactions.Inthiscase,youmightcreatea“SaveChanges”buttonthatsendstheediteddatabacktotheserverforprocessing.Finally,youneedtohandlethedatasource.EasyUIprovidesthe“datagrid”object,whichservesastheprimaryinterfacetothedatasource.Thedatagridobjectallowsyoutoloaddatatothegridandhandlesorting,filtering,andpagination.
Conclusion
Anedit