dorado 5 性能指南

1、dado5性能指南V1.1第1頁(yè)共69頁(yè)dado5性能指南性能指南V1.1BSTEK2007年1月dado5性能指南V1.1第3頁(yè)共69頁(yè)內(nèi)容目錄1概述..........................................................................................52系統(tǒng)設(shè)計(jì)和分析.............................................

2、...............................62.1確定設(shè)計(jì)目標(biāo).......................................................................62.2避免不合理的設(shè)計(jì).................................................................82.3Dado頁(yè)面的初始化過(guò)程...............

3、.......................................92.4GZIP壓縮........................................................................112.5客戶端緩存........................................................................122.6實(shí)例與參考數(shù)據(jù).....

4、.............................................................142.6.1網(wǎng)頁(yè)大小與響應(yīng)速度的關(guān)系............................................142.6.2初始化耗時(shí)與CPU的關(guān)系..............................................152.6.3網(wǎng)頁(yè)復(fù)雜度與網(wǎng)頁(yè)大小的關(guān)系...........

5、...............................152.6.4實(shí)例分析..................................................................172.7調(diào)整開(kāi)發(fā)規(guī)范.....................................................................183開(kāi)發(fā)技巧.........................

6、..........................................................193.1發(fā)掘性能隱患.....................................................................193.1.1通過(guò)觀察現(xiàn)象來(lái)定位.....................................................193.1.2利用Dado

7、的Debugger功能.....................................223.1.3檢查頁(yè)面大小.............................................................243.1.4消滅垃圾數(shù)據(jù)和對(duì)象.....................................................253.2數(shù)據(jù)庫(kù)相關(guān)...................

8、.....................................................263.2.1選擇高效的JOIN方式..................................................263.2.2配置正確的數(shù)據(jù)庫(kù)方言..................................................283.2.3使用分頁(yè)查詢...................

9、..........................................293.2.4精簡(jiǎn)非必要的字段.......................................................293.3Dado的服務(wù)端技巧..........................................................303.3.1把業(yè)務(wù)邏輯代碼留在服務(wù)端................

10、............................303.3.2避免LookupField的過(guò)度使用........................................333.3.3用好ViewModel的實(shí)現(xiàn)類.............................................353.3.4正確的使用EL表達(dá)式...........................................

11、........373.4Dado的客戶端技巧..........................................................383.4.1利用布局技巧改善操作體驗(yàn)............................................383.4.2哪些邏輯代碼應(yīng)該放在onDatasetsPrepared事件中............393.4.3如何遍歷Dataset........

12、...............................................403.4.4disableControls()和enableControls()............................413.4.5disableEvent()和enableEvent()...................................443.4.6警惕主從綁定帶來(lái)的連鎖反應(yīng)..............

13、............................453.4.7利用dataset的autoLoadPage屬性改善操作體驗(yàn)...............503.4.8為部分下拉框熱身.......................................................513.4.9謹(jǐn)慎使用下拉框的mapValue特性...................................523.4.10通過(guò)