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Diffstat (limited to 'source/text/sbasic')
| -rw-r--r-- | source/text/sbasic/shared/03090101.xhp | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/source/text/sbasic/shared/03090101.xhp b/source/text/sbasic/shared/03090101.xhp index f2e700c971..5030b2c202 100644 --- a/source/text/sbasic/shared/03090101.xhp +++ b/source/text/sbasic/shared/03090101.xhp @@ -20,7 +20,7 @@ <meta> <topic id="textsbasicshared03090101xml" indexer="include" status="PUBLISH"> - <title id="tit" xml-lang="en-US">If...Then...Else Statement</title> + <title id="tit">If...Then...Else Statement</title> <filename>/text/sbasic/shared/03090101.xhp</filename> </topic> </meta> @@ -28,7 +28,7 @@ <body> <section id="ifthenelse"> -<bookmark xml-lang="en-US" branch="index" id="bm_id3154422"> +<bookmark branch="index" id="bm_id3154422"> <bookmark_value>If statement</bookmark_value> <bookmark_value>ElseIf; If statement</bookmark_value> <bookmark_value>Else;If statement</bookmark_value> @@ -37,12 +37,11 @@ </bookmark> <h1 id="hd_id81592320644826"><link href="text/sbasic/shared/03090101.xhp">If...Then...Else Statement</link></h1> -<paragraph id="par_id3155555" role="paragraph" xml-lang="en-US">Defines one or more statement blocks that you only want to execute if a given condition or expression is <literal>True</literal>.</paragraph> +<paragraph id="par_id3155555" role="paragraph">Defines one or more statement blocks that you only want to execute if a given condition or expression is <literal>True</literal>.</paragraph> </section> <embed href="text/sbasic/shared/00000003.xhp#functsyntax"/> <paragraph role="image" id="par_id311592320434736"><image src="media/helpimg/sbasic/If_statement.svg" id="img_id601592320434736"><alt id="alt_id551592320434736">If...EndIf statement</alt></image></paragraph> -<paragraph role="image" id="par_id221592320436632"><image src="media/helpimg/sbasic/Else_fragment.svg" id="img_id81592320436632"><alt id="alt_id391592320436632">Else fragment</alt></image></paragraph> <bascode> <paragraph id="par_id3153126" role="bascode" localize="false">If condition Then </paragraph> @@ -53,35 +52,39 @@ <paragraph role="bascode" id="bas_id31592319640235" localize="false"> statements]</paragraph> <paragraph role="bascode" id="bas_id861592319641899" localize="false">{EndIf|End If}</paragraph> </bascode> - <paragraph id="par_id3123476" role="paragraph" xml-lang="en-US">Instead of <emph>End If</emph> you can write <emph>EndIf</emph>.</paragraph> + <paragraph id="par_id3123476" role="paragraph">Instead of <emph>End If</emph> you can write <emph>EndIf</emph>.</paragraph> <tip id="par_id631592322239043"><emph>If</emph> statements can be shortened to one line when using single statement blocks.</tip> <bascode> <paragraph role="bascode" id="bas_id771592321093694" localize="false">If condition Then statement [Else statement]</paragraph> </bascode> <embed href="text/sbasic/shared/00000003.xhp#functparameters"/> - <paragraph id="par_id3153062" role="paragraph" xml-lang="en-US">The <emph>If...Then</emph> statement executes program blocks depending on given conditions. When %PRODUCTNAME Basic encounters an <emph>If</emph> statement, the condition is tested. If the condition is <literal>True</literal>, all subsequent statements up to the next <emph>Else</emph> or <emph>ElseIf</emph> statement are executed. If the condition is <literal>False</literal>, and an <emph>ElseIf</emph> statement follows, %PRODUCTNAME Basic tests the next expression and executes the following statements if the condition is <literal>True</literal>. If <literal>False</literal>, the program continues either with the next <emph>ElseIf</emph> or <emph>Else</emph> statement. Statements following <emph>Else</emph> are executed only if none of the previously tested conditions were <literal>True</literal>. After all conditions are evaluated, and the corresponding statements executed, the program continues with the statement following <emph>EndIf</emph>.</paragraph> -<paragraph id="par_id3153192" role="paragraph" xml-lang="en-US">You can nest multiple <emph>If...Then</emph> statements.</paragraph> -<paragraph id="par_id3154684" role="paragraph" xml-lang="en-US"> <emph>Else</emph> and <emph>ElseIf</emph> statements are optional.</paragraph> -<paragraph id="par_id3152939" role="warning" xml-lang="en-US">You can use <emph>GoTo</emph> and <emph>GoSub</emph> to jump out of an <emph>If...Then</emph> block, but not to jump into an <emph>If...Then</emph> structure.</paragraph> + <paragraph id="par_id3153062" role="paragraph">The <emph>If...Then</emph> statement executes program blocks depending on given conditions. When %PRODUCTNAME Basic encounters an <emph>If</emph> statement, the condition is tested. If the condition is <literal>True</literal>, all subsequent statements up to the next <emph>Else</emph> or <emph>ElseIf</emph> statement are executed. If the condition is <literal>False</literal>, and an <emph>ElseIf</emph> statement follows, %PRODUCTNAME Basic tests the next expression and executes the following statements if the condition is <literal>True</literal>. If <literal>False</literal>, the program continues either with the next <emph>ElseIf</emph> or <emph>Else</emph> statement. Statements following <emph>Else</emph> are executed only if none of the previously tested conditions were <literal>True</literal>. After all conditions are evaluated, and the corresponding statements executed, the program continues with the statement following <emph>EndIf</emph>.</paragraph> +<paragraph id="par_id3153192" role="paragraph">You can nest multiple <emph>If...Then</emph> statements.</paragraph> +<paragraph id="par_id3154684" role="paragraph"> <emph>Else</emph> and <emph>ElseIf</emph> statements are optional.</paragraph> +<paragraph id="par_id3152939" role="warning">You can use <emph>GoTo</emph> and <emph>GoSub</emph> to jump out of an <emph>If...Then</emph> block, but not to jump into an <emph>If...Then</emph> structure.</paragraph> <embed href="text/sbasic/shared/00000003.xhp#functexample"/> -<paragraph id="par_id3153951" role="paragraph" xml-lang="en-US">The following example enables you to enter the expiration date of a product, and determines if the expiration date has passed.</paragraph> +<paragraph id="par_id3153951" role="paragraph">The following example enables you to enter the expiration date of a product, and determines if the expiration date has passed.</paragraph> <bascode> <paragraph id="par_idm1341422592" role="bascode" localize="false">Sub ExampleIfThenDate</paragraph> -<paragraph id="par_idm1341421360" role="bascode" localize="false"> Dim sDate As String</paragraph> -<paragraph id="par_idm1341420128" role="bascode" localize="false"> Dim sToday As String</paragraph> -<paragraph id="par_id3154490" role="bascode" xml-lang="en-US"> sDate = InputBox("Enter the expiration date (MM.DD.YYYY)")</paragraph> -<paragraph id="par_idm1341417136" role="bascode" localize="false"> sDate = Right$(sDate, 4) + Mid$(sDate, 4, 2) + Left$(sDate, 2)</paragraph> -<paragraph id="par_idm1341415856" role="bascode" localize="false"> sToday = Date$</paragraph> -<paragraph id="par_idm1341414624" role="bascode" localize="false"> sToday = Right$(sToday, 4)+ Mid$(sToday, 4, 2) + Left$(sToday, 2)</paragraph> -<paragraph id="par_idm1341413344" role="bascode" localize="false"> If sDate < sToday Then</paragraph> -<paragraph id="par_id3155601" role="bascode" xml-lang="en-US"> MsgBox "The expiration date has passed"</paragraph> -<paragraph id="par_idm1341410352" role="bascode" localize="false"> ElseIf sDate > sToday Then</paragraph> -<paragraph id="par_id3146912" role="bascode" xml-lang="en-US"> MsgBox "The expiration date has not yet passed"</paragraph> +<paragraph id="par_idm1341421360" role="bascode" localize="false"> Dim sInput As String</paragraph> +<paragraph id="par_idm1341420128" role="bascode" localize="false"> Dim dInput As Date</paragraph> +<paragraph role="bascode" id="bas_id171724332291365" localize="false"> </paragraph> +<paragraph role="bascode" id="bas_id471724332439115"> On Error Goto inputError</paragraph> +<paragraph id="par_id3154490" role="bascode"> sInput = InputBox("Enter the expiration date (YYYY-MM-DD)")</paragraph> +<paragraph id="par_idm1341417136" role="bascode" localize="false"> dInput = DateValue(sInput)</paragraph> +<paragraph id="par_idm1341414624" role="bascode" localize="false"> </paragraph> +<paragraph id="par_idm1341413344" role="bascode" localize="false"> If dInput < Date() Then</paragraph> +<paragraph id="par_id3155601" role="bascode"> MsgBox "The expiration date has passed"</paragraph> +<paragraph id="par_idm1341410352" role="bascode" localize="false"> ElseIf dInput > Date() Then</paragraph> +<paragraph id="par_id3146912" role="bascode"> MsgBox "The expiration date has not yet passed"</paragraph> <paragraph id="par_idm1341407312" role="bascode" localize="false"> Else</paragraph> -<paragraph id="par_id3154754" role="bascode" xml-lang="en-US"> MsgBox "The expiration date is today"</paragraph> +<paragraph id="par_id3154754" role="bascode"> MsgBox "The expiration date is today"</paragraph> <paragraph id="par_idm1341404336" role="bascode" localize="false"> End If</paragraph> +<paragraph role="bascode" id="bas_id561724332495121" localize="false"> </paragraph> +<paragraph role="bascode" id="bas_id101724332497100" localize="false">inputError:</paragraph> +<paragraph role="bascode" id="bas_id1001724332498412"> If dInput = 0 Then MsgBox "Invalid input"</paragraph> <paragraph id="par_idm1341403104" role="bascode" localize="false">End Sub</paragraph> </bascode> @@ -91,5 +94,4 @@ </section> </body> - </helpdocument>
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