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水土保持網(wǎng)站前端性能分析和優(yōu)化研究

發(fā)布時(shí)間:2018-05-30 04:36

  本文選題:水土保持 + 前端性能; 參考:《華中科技大學(xué)》2015年碩士論文


【摘要】:互聯(lián)網(wǎng)的快速普及給水土保持的信息化建設(shè)注入了新的活力。通過建設(shè)面向水土保持業(yè)務(wù)的網(wǎng)站,水土保持相關(guān)的數(shù)據(jù)采集、查詢與信息發(fā)布等業(yè)務(wù),均實(shí)現(xiàn)了基于網(wǎng)絡(luò)的信息共享,既提高了數(shù)據(jù)傳遞的及時(shí)性,也擴(kuò)大了水土保持信息發(fā)布的范圍。瀏覽器的呈現(xiàn)效果是網(wǎng)站建設(shè)好壞的一個(gè)重要標(biāo)準(zhǔn)。但目前不同內(nèi)核的瀏覽器在網(wǎng)頁渲染上存在著不小的差異,而且伴隨著Web 2.0時(shí)代的到來,用戶在很大程度上參與到了網(wǎng)站內(nèi)容建設(shè)中。隨著交互的頻繁,Web系統(tǒng)的性能和用戶體驗(yàn)成為衡量網(wǎng)站建設(shè)好壞的重要指標(biāo)。對(duì)于響應(yīng)緩慢的網(wǎng)站,用戶通常感到難以容忍,往往最終放棄使用。水土保持專業(yè)信息化管理網(wǎng)站涉及到不同的業(yè)務(wù)和使用部門,不僅業(yè)務(wù)量大,而且機(jī)構(gòu)龐雜、交互繁復(fù)。由于技術(shù)問題造成的不同客戶端瀏覽器顯示不統(tǒng)一,響應(yīng)緩慢等問題使得用戶體驗(yàn)不甚理想,從而制約了網(wǎng)站的廣泛使用,致使系統(tǒng)并未發(fā)揮其應(yīng)有的作用。為了提升用戶體驗(yàn),有必要對(duì)原水土保持網(wǎng)站進(jìn)行優(yōu)化處理。對(duì)此,本文主要做了以下研究:分析水土保持業(yè)務(wù)網(wǎng)站的特點(diǎn)及需求;掌握Web標(biāo)準(zhǔn)和主流瀏覽器對(duì)網(wǎng)頁的渲染機(jī)制,按照前后端分離的思想重構(gòu)不符合Web標(biāo)準(zhǔn)的頁面結(jié)構(gòu),使其能在主流瀏覽器以及移動(dòng)端平臺(tái)兼容顯示,使網(wǎng)站結(jié)構(gòu)更加規(guī)范合理,增強(qiáng)其可擴(kuò)展性;分析Web前端優(yōu)化原理,結(jié)合水土保持網(wǎng)站特點(diǎn),對(duì)影響水土保持網(wǎng)站性能的前端因素進(jìn)行合理的設(shè)計(jì),優(yōu)化水土保持網(wǎng)站前端性能;利用AJAX等相關(guān)前端技術(shù)將原本集中在后端服務(wù)器的數(shù)據(jù)處理任務(wù)分流至前端完成,均衡負(fù)載,采用基于OpenLayers的Web GIS開發(fā),解決地理專題信息響應(yīng)緩慢等問題,實(shí)現(xiàn)對(duì)水土保持地理信息模塊的性能優(yōu)化?傊,按照前后分離的思想重構(gòu)了的水土保持網(wǎng)站,不僅實(shí)現(xiàn)了在主流瀏覽器中的兼容顯示,也增強(qiáng)了網(wǎng)站的可擴(kuò)展性和移植性,方便了地級(jí)站點(diǎn)功能模塊的開辟。優(yōu)化后的水土保持網(wǎng)站訪問更加方便流暢,在數(shù)據(jù)錄入等操作上也更加人性化,提高了用戶體驗(yàn)。
[Abstract]:The rapid popularization of the Internet has injected new vitality into the information construction of soil and water conservation. Through the construction of a website for soil and water conservation, data collection, query and information release related to soil and water conservation, the information sharing based on the network has been realized, and the timeliness of data transmission has been improved. Also expanded the soil and water conservation information release scope. The rendering effect of browser is an important standard for website construction. However, there are some differences in web rendering between different kernel browsers, and with the arrival of Web 2.0 era, users participate in the construction of web content to a large extent. With the frequent interaction, the performance and user experience of Web system become an important index to measure the quality of website construction. For slow-responding sites, users often find it intolerable and often end up abandoning them. Soil and water conservation professional information management website involves different business and use departments, not only the volume of business, but also the organization is complex and complicated. Due to the disunity of different client browsers caused by technical problems and the slow response problems, the user experience is not ideal, which restricts the wide use of websites, and the system does not play its due role. In order to improve the user experience, it is necessary to optimize the original soil and water conservation website. In this paper, the main research is as follows: analyzing the characteristics and requirements of soil and water conservation website, mastering the rendering mechanism of Web standard and mainstream browser, reconstructing the page structure which does not accord with Web standard according to the idea of separating front and rear. It can display in mainstream browser and mobile platform, make the website structure more standardized and reasonable, enhance its expansibility, analyze the principle of Web front-end optimization, combine the characteristics of soil and water conservation website, The front-end factors that affect the performance of the soil and water conservation website are designed reasonably, and the front-end performance of the soil and water conservation website is optimized, and the data processing task that was originally concentrated on the back-end server is diverted to the front-end by using AJAX and other related front-end technologies. In order to optimize the performance of soil and water conservation geographic information module, the problem of slow response of geographic information is solved by using Web GIS based on OpenLayers. In a word, the reconstruction of the soil and water conservation website based on the idea of separation before and after not only realizes the compatible display in the mainstream browser, but also enhances the expansibility and portability of the website, and facilitates the development of the functional modules of the prefecture-level site. The optimized soil and water conservation website visit is more convenient and smooth, the operation of data input is more humanized, and the user experience is improved.
【學(xué)位授予單位】:華中科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2015
【分類號(hào)】:TP393.092;S157

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