?? jb4-1-3.htm
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</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">子目錄之下。</span></p>
<p class="MsoNormal" style="margin-left:20.25pt;text-indent:1.5pt"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman""><font color="#FF0000"><b>注意</b></font>:如果下載了</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">,還須下載例程包。一些例程只能運行于企業(yè)版中。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">數(shù)據(jù)庫例程包含了從</span><span lang="EN-US">JdataStore</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">,</span><span lang="EN-US">employee.jds</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">和</span><span lang="EN-US">InterBase</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">范例數(shù)據(jù)庫</span><span lang="EN-US">employee.gdb</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">中存取數(shù)據(jù)的范例。欲進一步獲取</span><span lang="EN-US">JdataStore</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">的信息,參見</span><span lang="EN-US">JdataStore
Developer’s Guide</span><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">一小節(jié)。欲獲得</span><span lang="EN-US">InterBase</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">服務(wù)器的信息,可參考連機文檔。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如果希望在</span><span lang="EN-US">Jbuilder
designer</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">中查看例程,請注意要在將例程放進</span><span lang="EN-US">designer</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">之前為例程創(chuàng)建工程項目。這樣的話,要選擇菜單項</span><span lang="EN-US">Project
| Rebuild Project</span><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><font color="#000080"><b><span lang="EN-US">Unix</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">用戶注意事項</span></b></font></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">如果安裝</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">作為根路徑但在普通用戶帳戶下運行</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">,將不能從</span><span lang="EN-US">Jbuilder
sample </span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">目錄中運行任何例程。嘗試去做將導(dǎo)致一個編譯錯誤,</span><span lang="EN-US">Error
#</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">:不能寫到輸出目錄中。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">為了能運行例程工程,必須擁有能夠?qū)虅?chuàng)建或使用的所有文件和目錄進行讀寫的權(quán)限。一般情況下,如果只擁有</span><span lang="EN-US">Jbuilder
sample</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">子目錄的讀權(quán)限,就需要將例程拷貝至擁有讀寫權(quán)限的目錄下。因為一些例程需要</span><span lang="EN-US">sample</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">目錄中其它子目錄中的文件,例如數(shù)據(jù)庫文件。所以如果可能的話,推薦你創(chuàng)建整個例程樹的拷貝。在其它例程目錄下訪問文件的例程會發(fā)一則消息指示例程期望文件的路徑。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">為了在這樣一個環(huán)境下運行例程,要拷貝整個例程樹至擁有讀寫權(quán)限的那個目錄下。雖然從例程樹中拷貝單個工程是可能的,但有的例程需要訪問同級目錄中的文件。這些例程已被修改設(shè)置為自動尋找在整個例程樹層中相關(guān)的文件并在運行時顯示一條消息指示這些文件所在路徑正在被應(yīng)用。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">拷貝整個例程樹的一個簡易方法是使用命令</span><span lang="EN-US">cp
–R</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">。例如,拷貝例程樹至根目錄中</span><span lang="EN-US">samples</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">子目錄中,操作如下:</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span lang="EN-US">% cd</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span lang="EN-US">% cp –R
/urs/local/jbuilder/samples </span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">.</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">另一個選擇是可以在名為</span><span lang="EN-US">’chmod_samples’</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">例程目錄下運行</span><span lang="EN-US">shell
script</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">。運行這個</span><span lang="EN-US">script</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">可以使能那些安裝了</span><span lang="EN-US">Jbuilder</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">例程控制權(quán)限的用戶。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">用法</span><span lang="EN-US">:
chmod_samples full</span></p>
<p class="MsoNormal"><span lang="EN-US"><span style="mso-spacerun: yes">
</span></span><span style="font-family:
宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">
允許所有用戶編譯、運行和修改文件。</span></p>
<p class="MsoNormal"><span style="mso-spacerun: yes" lang="EN-US">
</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">或</span><span lang="EN-US">
chmod samples run</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="mso-spacerun: yes" lang="EN-US">
</span><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">允許所有用戶編譯、運行但不能修改文件。</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="mso-spacerun: yes" lang="EN-US">
</span><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">或</span><span lang="EN-US">
chmod samples read</span></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="mso-spacerun: yes" lang="EN-US">
</span><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">允許所有用戶讀但不能運行和修改文件。</span><span lang="EN-US"> <o:p>
</o:p>
</span></p>
<hr>
<p ><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman""><font size="3" color="#000080"><b>安裝設(shè)置</b></font></span><font size="3" color="#000080"><b><span lang="EN-US">Jdatastore</span></b></font></p>
<p class="MsoNormal" style="text-indent:21.75pt"><span style="font-family:宋體;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Roman"">在首次安裝個人版和專業(yè)版時,</span><span lang="EN-US">Jdatastore
explorer</span><span style="font-family:宋體;mso-ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"">在菜單項</span><span lang="EN-US">Tools</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";
mso-hansi-font-family:"Times New Roman"">中是不可用的。要使能菜單項</span><span lang="EN-US">Tools</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">下的</span><span lang="EN-US">Jdatastore explorer</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">和</span><span lang="EN-US">Jdatastore Server</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">,并且要在</span><span lang="EN-US">component
palette</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
"Times New Roman"">(部件畫板)的</span><span lang="EN-US">Data
Express</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:
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