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Appcelerator（简单的邮政编码城市查找器）

IT知识查找邮政appcelerator

【Appcelerator（简单的邮政编码城市查找器）】登山则情满于山，观海则意溢于海。这篇文章主要讲述Appcelerator：简单的邮政编码城市查找器相关的知识，希望能为你提供帮助。
Appcelerator Titanium Mobile is a framework + IDE designed to help you build iPhone applications using only html and javascript. This example shows how to make a simple Ajax request

  1. < html>
  2. < head>
  3. < title> Find City By ZIP Code< /title>
  4. < script type=" text/javascript" src=https://www.songbingjia.com/android/" jquery-1.3.2.js" > < /script>
  5.  
  6. < style type=" text/css" media=" screen" >
  7.  
  8. #textField{ width:100px; height:30px }
  9. #search-btn{ width:100px; height:47px; color:#0000ff; }
  10. #response-txt{ width:300px; text-align:center; font-family:helvetica, impact, sans-serif; font-weight: bold; }
  11.  
  12. .center { margin-right:auto; margin-left:auto; width:320px; }
  13. < /style>
  14. < script type=" text/javascript" charset=" utf-8" >
  15. var xhr;
  16. var xhrResponse;
  17. var alert;
  18.  
  19. var xmlCity;
  20. var xmlState;
  21. var zipCode;
  22.  
  23. var tf;
  24. var searchBtn;
  25.  
  26.  
  27. function initialize( e) {
  28. /****************************
  29. Create Ajax Request
  30. ****************************/
  31. xhr = Titanium.Network.createHTTPClient( ) ;
  32.  
  33. xhrResponse = $( " #response-txt" ) ;
  34.  
  35. /****************************
  36. Create TextField
  37. ****************************/
  38.  
  39. tf= Titanium.UI.createTextField( {
  40. id:'textField',
  41. value:'90026',
  42. color:'#336699',
  43. backgroundColor:'#eeeeee',
  44. returnKeyType:Titanium.UI.RETURNKEY_DONE,
  45. enableReturnKey:true,
  46. keyboardType:Titanium.UI.KEYBOARD,
  47. autocorrect:false,
  48. hintText:'Enter ZIP',
  49. textAlign:'left',
  50. clearOnEdit:true,
  51. borderStyle:Titanium.UI.INPUT_BORDERSTYLE_BEZEL,
  52. clearButtonMode:Titanium.UI.INPUT_BUTTONMODE_NEVER,
  53. } ) ;
  54.  
  55.  
  56. $( tf) .bind( " change" , onTfChangeHandler ) ;
  57. function onTfChangeHandler( e) {
  58. tf.value = https://www.songbingjia.com/android/e.value;
  59. }
  60.  
  61. /****************************
  62. Create Search Button
  63. ****************************/
  64. searchBtn = Titanium.UI.createButton( { id:'search-btn', title:'Search' } ) ;
  65.  
  66. $( searchBtn) .bind( " click" , onSearchClickHandler ) ;
  67. function onSearchClickHandler( e) {
  68. constructAndSend( ) ;
  69. }
  70.  
  71. /****************************
  72. Ajax onLoad Request
  73. ****************************/
  74. xhr.onload = function( )
  75.  
  76. {
  77. Titanium.API.info( " xhr.onload: " ) ;
  78. var xml = this.responseXML;
  79. // xml now is a Javascript DOM object you can use
  80. var xmlDoc = xml.documentElement;
  81.  
  82. try {
  83. // get a value of the first tag myelement found in XML doc
  84. xmlCity = xmlDoc.getElementsByTagName( " CITY" ) [ 0] .childNodes[ 0] .nodeValue.toString( ) ;
  85. xmlState = xmlDoc.getElementsByTagName( " STATE" ) [ 0] .childNodes[ 0] .nodeValue.toString( ) ;
  86.  
  87. } catch( err) {
  88. $( xhrResponse) .html = " " ;
  89.  
  90. constructAlert( " Zip Code Not Found. " ) ;
  91. }
  92.  
  93. //xhrResponse.innerHTML = zipCode + " < br> is the ZIP Code for< br> " + xmlCity + " , " + xmlState;
  94. $( xhrResponse) .html( zipCode + " < br> is the ZIP Code for< br> " + xmlCity + " , " + xmlState ) ;
  95. } ;
  96.  
  97. }
  98.  
  99. function constructAndSend( ) {
  100. //Capture the Zip Code
  101. zipCode = $( tf) .val( ) ;
  102.  
  103. Titanium.API.info( " constructAndSend: " + zipCode ) ;
  104.  
  105. //Confirm that a proper Zip Code has been entered
  106. if ( zipCode != null & & zipCode.length == 5 ) {
  107. //Fire Off the Ajax Request
  108. xhr.open( " GET" ," http://www.webservicex.net/uszip.asmx/GetInfoByZIP?USZip=" + zipCode) ;
  109. xhr.send( null) ;
  110. } else {
  111. //Show any errors
  112. constructAlert( " A 5-digit ZIP Code must be entered." ) ;
  113. }
  114. }
  115.  
  116. /****************************
  117. Create Alert Message
  118. ****************************/
  119. function constructAlert( message ) {
  120. var alert = Titanium.UI.createAlertDialog( ) ;
  121. alert.setTitle( " Error" ) ;
  122. alert.setMessage( message ) ;
  123. alert.show( ) ;
  124. return;
  125. }
  126. < /script>
  127. < script type=" text/javascript" charset=" utf-8" >
  128. $( document) .ready( function( ) {
  129. initialize( ) ;
  130. } ) ;
  131. < /script>
  132. < body style=" background-color:#999999" >
  133.  
  134. < div id=" textField" class=" center" > < /div>
  135.  
  136. < br/>
  137.  
  138. < div id=" search-btn" class=" center" > < /div>
  139.  
  140. < br/> < br/>
  141.  
  142. < div id=" response-txt" class=" center" > < /div>
  143. < /body>
  144. < /html>


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