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在前人的基础上更改的DWRProxy

EXTDWRJavaScriptjsonCSS 
阅读更多

修改的地方:

1.多个DWR同时调用不受限制

2.调用DWR的方法的参数不做限制，可以任意。

3.增加EXT常用的几个Reader的实现:Ext.data.XmlReader Ext.data.JsonReader Ext.data.DWRArrayReader

Js代码 复制代码

调用示例：

combo.html 代码

Js代码 复制代码
  1. <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
  2. <html>
  3. <head>
  4. <metahttp-equiv="Content-Type"content="text/html;charset=GBK">
  5. <linkrel="stylesheet"type="text/css"href="../js/extjs/resources/css/ext-all.css"/>
  6. <scripttype='text/javascript'src='/dwr/dwr/interface/DWRCall.js'></script>
  7. <scripttype='text/javascript'src='/dwr/dwr/engine.js'></script>
  8. <scripttype="text/javascript"src="../js/extjs/adapter/ext/ext-base.js"></script>
  9. <scripttype="text/javascript"src="../js/extjs/ext-all-debug.js"></script>
  10. <scripttype="text/javascript"src="../js/extjs/ext-lang-zh_CN.js"></script>
  11. <scripttype="text/javascript"src="../js/extjs/DWRProxy.js"></script>
  12. <scripttype="text/javascript"src="comboxTest.js"></script>
  13. <title>Combo对象学习</title>
  14. <scripttype="text/javascript">
  16. </script>
  17. </head>
  18. <body>
  19. <inputtype='button'onclick='alert(Ext.get("local-states").getValue());'value='store.getCount())'>
  20. <div>
  21. <inputtype='text'id='local-states'></input>
  22. </div>
  24. </body>
  25. </html>

comboxTest.js代码:

Js代码 复制代码
  1. varstore;
  2. Ext.onReady(function(){
  • vardata=[['AL','Alabama'],['AK','Alaska']];
  • //DWRCall.getComboArray('1',function(data){alert(data[0][1]);});
  • /*varstore=newExt.data.SimpleStore({
  • fields:['text','value'],
  • data:data
  • });
  • */
  • /**CallcomboxData.jsp***/
  • /*store=newExt.data.Store({
  • url:'comboxData.jsp',
  • reader:newExt.data.XmlReader({
  • id:'id',
  • totalRecords:'results',
  • record:'row'
  • },[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
  • });
  • */
  • /*
  • store=newExt.data.Store({
  • url:'comboxData.jsp',
  • reader:newExt.data.JsonReader({
  • totalProperty:"results",//Thepropertywhichcontainsthetotaldatasetsize(optional)
  • root:"rows",//ThepropertywhichcontainsanArrayofrowobjects
  • id:"id"
  • },newExt.data.Record.create([
  • {name:'text',mapping:'name'},
  • {name:'value',mapping:'occupation'}
  • ]))
  • });
  • */
  • /******callDWR********/
  • /*
  • store=newExt.data.Store({
  • proxy:newExt.data.DWRProxy(DWRCall.getComboJsonByObject,"condy",{name:'condy',address:'xxxx',age:26}),
  • reader:newExt.data.DWRJsonReader({
  • totalProperty:"results",
  • root:"rows",
  • id:"id"
  • },newExt.data.Record.create([
  • {name:'text',mapping:'name'},
  • {name:'value',mapping:'occupation'}
  • ]))
  • });
  • */
  • /*
  • store=newExt.data.Store({
  • proxy:newExt.data.DWRProxy(DWRCall.getComboArray,"condy"),
  • reader:newExt.data.DWRArrayReader({
  • },newExt.data.Record.create([
  • {name:'text',mapping:0},
  • {name:'value',mapping:1}
  • ]))
  • });
  • */
  • store=newExt.data.Store({
  • proxy:newExt.data.DWRProxy(DWRCall.getComboXml,"condy","test"),
  • reader:newExt.data.DWRXmlReader({
  • id:'id',
  • totalRecords:'results',
  • record:'row'
  • },[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
  • });
  • varcombo=newExt.form.ComboBox({
  • store:store,
  • typeAhead:true,
  • displayField:'text',
  • valueField:'value',
  • mode:'local',
  • triggerAction:'all',
  • emptyText:'Selectastate...',
  • selectOnFocus:true,
  • applyTo:'local-states'
  • });
  • store.load({params:{}});
  • }
  • );

    • java部分代码:

    DWRCall.java

    Java代码 复制代码

    1. packagecom.test;
    3. publicclassDWRCall{
    5. publicStringgetCombo(Stringid){
    6. System.out.println("bbbbbbbbbbbbbbbb");
    7. StringBuffersb=newStringBuffer();
    8. sb.append("[[").append("'condy','name'],['candy','name']]");
    9. System.out.println(sb.toString());
    10. returnsb.toString();
    11. }
    12. publicString[][]getComboArray(Stringid){
    13. System.out.println("id:"+id);
    14. String[][]aaData={newString[]{"aaa","111"},newString[]{"bbb","222"}};
    16. returnaaData;
    17. }
    18. publicStringgetComboJson(Stringparam1,Stringparam2){
    19. System.out.println("param1:"+param1);
    20. System.out.println("param2:"+param2);
    21. StringBuffersb=newStringBuffer();
    22. sb.append("{'results':2,'rows':[");
    23. sb.append("{'id':1,'name':'Bill',occupation:'Gardener'},");
    24. sb.append("{'id':2,'name':'Ben',occupation:'Horticulturalist'}]");
    25. sb.append("}");
    26. System.out.println(sb.toString());
    27. returnsb.toString();
    28. }
    30. publicStringgetComboXml(Stringparam1,Stringparam2){
    31. System.out.println("param1:"+param1);
    32. System.out.println("param2:"+param2);
    33. StringBuffersbxml=newStringBuffer();
    34. sbxml.append("<?xmlversion=\"1.0\"encoding=\"GBK\"?>\n");
    35. sbxml.append("<dataset>\n");
    36. sbxml.append("<results>2</results>\n");
    37. sbxml.append("<row>\n");
    38. sbxml.append("<id>1</id>\n");
    39. sbxml.append("<name>Bill</name>\n");
    40. sbxml.append("<occupation>Gardener</occupation>\n");
    41. sbxml.append("</row>\n");
    42. sbxml.append("<row>\n");
    43. sbxml.append("<id>2</id>\n");
    44. sbxml.append("<name>Condy</name>\n");
    45. sbxml.append("<occupation>Horticulturalist</occupation>\n");
    46. sbxml.append("</row>\n");
    47. sbxml.append("</dataset>\n");
    48. System.out.println(sbxml.toString());
    49. returnsbxml.toString();
    50. }
    52. publicStringgetComboJsonByObject(Stringparam1,DWRObjectdwrobject){
    53. System.out.println("param1:"+param1);
    54. System.out.println("DWRObject:name:"+dwrobject.getName()+"age:"+dwrobject.getAge());
    55. StringBuffersb=newStringBuffer();
    56. sb.append("{'results':2,'rows':[");
    57. sb.append("{'id':1,'name':'Bill',occupation:'Gardener'},");
    58. sb.append("{'id':2,'name':'Ben',occupation:'Horticulturalist'}]");
    59. sb.append("}");
    60. System.out.println(sb.toString());
    61. returnsb.toString();
    62. }
    63. }

    DWRObject.java

    Java代码 复制代码
    1. packagecom.test;
    3. publicclassDWRObject{
    5. privateStringname;
    6. privateStringaddress;
    7. privateintage;
    8. /**
    9. *@returntheaddress
    10. */
    11. publicStringgetAddress(){
    12. returnaddress;
    13. }
    14. /**
    15. *@paramaddresstheaddresstoset
    16. */
    17. publicvoidsetAddress(Stringaddress){
    18. this.address=address;
    19. }
    20. /**
    21. *@returntheage
    22. */
    23. publicintgetAge(){
    24. returnage;
    25. }
    26. /**
    27. *@paramagetheagetoset
    28. */
    29. publicvoidsetAge(intage){
    30. this.age=age;
    31. }
    32. /**
    33. *@returnthename
    34. */
    35. publicStringgetName(){
    36. returnname;
    37. }
    38. /**
    39. *@paramnamethenametoset
    40. */
    41. publicvoidsetName(Stringname){
    42. this.name=name;
    43. }
    45. }
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