在前人的基础上更改的DWRProxy
2008-12-22 15:25
197 查看
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
调用示例：
combo.html 代码
Js代码
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<link rel="stylesheet" type="text/css" href="../js/extjs/resources/css/ext-all.css" />
<script type='text/javascript' src='/dwr/dwr/interface/DWRCall.js'></script>
<script type='text/javascript' src='/dwr/dwr/engine.js'></script>
<script type="text/javascript" src="../js/extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../js/extjs/ext-all-debug.js"></script>
<script type="text/javascript" src="../js/extjs/ext-lang-zh_CN.js"></script>
<script type="text/javascript" src="../js/extjs/DWRProxy.js"></script>
<script type="text/javascript" src="comboxTest.js"></script>
<title>Combo对象学习</title>
<script type="text/javascript">
</script>
</head>
<body>
<input type='button' onclick='alert(Ext.get("local-states").getValue());' value='store.getCount())'>
<div>
<input type='text' id='local-states'></input>
</div>
</body>
</html>
comboxTest.js代码:
Js代码
var store;
Ext.onReady(function(){
var data=[['AL', 'Alabama'],['AK', 'Alaska']];
//DWRCall.getComboArray('1',function(data){alert(data[0][1]);});
/*var store=new Ext.data.SimpleStore({
fields:['text','value'],
data:data
});
*/
/**Call comboxData.jsp***/
/*store=new Ext.data.Store({
url:'comboxData.jsp',
reader:new Ext.data.XmlReader({
id:'id',
totalRecords:'results',
record:'row'
},[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
});
*/
/*
store=new Ext.data.Store({
url:'comboxData.jsp',
reader:new Ext.data.JsonReader({
totalProperty: "results", // The property which contains the total dataset size (optional)
root: "rows", // The property which contains an Array of row objects
id: "id"
},new Ext.data.Record.create([
{name: 'text', mapping: 'name'},
{name: 'value',mapping:'occupation'}
]))
});
*/
/****** call DWR ********/
/*
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboJsonByObject,"condy",{name:'condy',address:'xxxx',age:26}),
reader:new Ext.data.DWRJsonReader({
totalProperty: "results",
root: "rows",
id: "id"
},new Ext.data.Record.create([
{name: 'text', mapping: 'name'},
{name: 'value',mapping:'occupation'}
]))
});
*/
/*
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboArray,"condy"),
reader:new Ext.data.DWRArrayReader({
},new Ext.data.Record.create([
{name: 'text', mapping: 0},
{name: 'value',mapping:1}
]))
});
*/
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboXml,"condy","test"),
reader:new Ext.data.DWRXmlReader({
id:'id',
totalRecords:'results',
record:'row'
},[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
});
var combo = new Ext.form.ComboBox({
store: store,
typeAhead: true,
displayField:'text',
valueField:'value',
mode: 'local',
triggerAction: 'all',
emptyText:'Select a state...',
selectOnFocus:true,
applyTo: 'local-states'
});
store.load({params:{}});
}
);
java部分代码:
DWRCall.java
Java代码
package com.test;
public class DWRCall {
public String getCombo(String id){
System.out.println("bbbbbbbbbbbbbbbb");
StringBuffer sb=new StringBuffer();
sb.append("[[").append("'condy','name'],['candy','name']]");
System.out.println(sb.toString());
return sb.toString();
}
public String[][] getComboArray(String id){
System.out.println("id:"+id);
String[][] aaData={new String[]{"aaa","111"},new String[]{"bbb","222"}};
return aaData;
}
public String getComboJson(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
public String getComboXml(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sbxml=new StringBuffer();
sbxml.append("<?xml version=/"1.0/" encoding=/"GBK/"?>/n");
sbxml.append("<dataset>/n");
sbxml.append("<results>2</results>/n");
sbxml.append("<row>/n");
sbxml.append("<id>1</id>/n");
sbxml.append("<name>Bill</name>/n");
sbxml.append("<occupation>Gardener</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("<row>/n");
sbxml.append("<id>2</id>/n");
sbxml.append("<name>Condy</name>/n");
sbxml.append("<occupation>Horticulturalist</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("</dataset>/n");
System.out.println(sbxml.toString());
return sbxml.toString();
}
public String getComboJsonByObject(String param1,DWRObject dwrobject){
System.out.println("param1:"+param1);
System.out.println("DWRObject: name:"+dwrobject.getName()+" age:"+dwrobject.getAge());
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
}
DWRObject.java
Java代码
package com.test;
public class DWRObject {
private String name;
private String address;
private int age;
/**
* @return the address
*/
public String getAddress() {
return address;
}
/**
* @param address the address to set
*/
public void setAddress(String address) {
this.address = address;
}
/**
* @return the age
*/
public int getAge() {
return age;
}
/**
* @param age the age to set
*/
public void setAge(int age) {
this.age = age;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
}
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
/*
@author:Condy
@createDate:2008-01-14
Ext.data.DWRProxy(DWR的调用方法,调用方法的输入参数)
example:
1.use DWRJsonReader:
var store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboJsonByObject,"condy",{name:'condy',address:'xxxx',age:26}),
reader:new Ext.data.DWRJsonReader({
totalProperty: "results",
root: "rows",
id: "id"
},new Ext.data.Record.create([
{name: 'text', mapping: 'name'},
{name: 'value',mapping:'occupation'}
]))
});
java code:
public String getComboJsonByObject(String param1,DWRObject dwrobject){
System.out.println("param1:"+param1);
System.out.println("DWRObject: name:"+dwrobject.getName()+" age:"+dwrobject.getAge());
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
2. use DWRArrayReader:
var store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboArray,"condy"),
reader:new Ext.data.DWRArrayReader({
},new Ext.data.Record.create([
{name: 'text', mapping: 0},
{name: 'value',mapping:1}
]))
});
java code:
public String[][] getComboArray(String id){
System.out.println("id:"+id);
String[][] aaData={new String[]{"aaa","111"},new String[]{"bbb","222"}};
return aaData;
}
3. use DWRXmlReader:
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboArray,"condy"),
reader:new Ext.data.DWRArrayReader({
},new Ext.data.Record.create([
{name: 'text', mapping: 0},
{name: 'value',mapping:1}
]))
});
java code:
public String getComboXml(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sbxml=new StringBuffer();
sbxml.append("<?xml version=/"1.0/" encoding=/"GBK/"?>/n");
sbxml.append("<dataset>/n");
sbxml.append("<results>2</results>/n");
sbxml.append("<row>/n");
sbxml.append("<id>1</id>/n");
sbxml.append("<name>Bill</name>/n");
sbxml.append("<occupation>Gardener</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("<row>/n");
sbxml.append("<id>2</id>/n");
sbxml.append("<name>Condy</name>/n");
sbxml.append("<occupation>Horticulturalist</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("</dataset>/n");
System.out.println(sbxml.toString());
return sbxml.toString();
}
*/
Ext.data.DWRProxy = function(dwrCall){
Ext.data.DWRProxy.superclass.constructor.call(this);
this.dwrCall = dwrCall;
/** 传入多个输入参数的处理**/
this.callParams = new Array();
for( i=1;i<arguments.length;i++){
this.callParams.push(arguments[i]);
}
};
Ext.extend(Ext.data.DWRProxy, Ext.data.DataProxy, {
load : function(params, reader, callback, scope, arg) {
if(this.fireEvent("beforeload", this, params) !== false) {
var delegate = this.loadResponse.createDelegate(this, [reader, callback, scope, arg], 1);
this.callParams.push(delegate);
this.dwrCall.apply(this, this.callParams);
} else {
callback.call(scope || this, null, arg, false);
}
},
loadResponse : function(dwrResult, reader, callback, scope, arg) {
var result;
try {
result = reader.read(dwrResult);
} catch(e) {
this.fireEvent("loadexception", this, null, dwrResult, e);
callback.call(scope, null, arg, false);
return;
}
callback.call(scope, result, arg, true);
}
});
/*
*
*DWR调用方法返回的格式json
*参数调用格式与 Ext.data.JsonReader是一样的 请查看Ext的api文档
*/
Ext.data.DWRJsonReader=function(meta,recordType){
Ext.data.DWRJsonReader.superclass.constructor.call(this,meta,recordType);
};
Ext.extend(Ext.data.DWRJsonReader,Ext.data.JsonReader,{
read : function(response){
if(typeof response == 'object')
alert("object");
var o = eval("("+response+")");
if(!o) {
throw {message: "JsonReader.read: Json object not found"};
}
if(o.metaData){
delete this.ef;
this.meta = o.metaData;
this.recordType = Ext.data.Record.create(o.metaData.fields);
this.onMetaChange(this.meta, this.recordType, o);
}
return this.readRecords(o);
}
});
/*
*返回数组格式：[[xxx,yyy],[aaaa],[bbbb]]
*参数调用格式与 Ext.data.ArrayReader是一样的，请查看Ext的api文档
*/
Ext.data.DWRArrayReader=function(meta,recordType){
Ext.data.DWRArrayReader.superclass.constructor.call(this,meta,recordType);
};
Ext.extend(Ext.data.DWRArrayReader,Ext.data.ArrayReader,{
read : function(response){
var o = response;
if(!o) {
throw {message: "JsonReader.read: Json object not found"};
}
if(o.metaData){
delete this.ef;
this.meta = o.metaData;
this.recordType = Ext.data.Record.create(o.metaData.fields);
this.onMetaChange(this.meta, this.recordType, o);
}
return this.readRecords(o);
}
});
/*
*
*DWR调用方法返回的格式XML
*参数调用格式与 Ext.data.XmlReader是一样的 请查看Ext的api文档
*/
Ext.data.DWRXmlReader=function(meta,recordType){
Ext.data.DWRXmlReader.superclass.constructor.call(this,meta,recordType);
};
Ext.extend(Ext.data.DWRXmlReader,Ext.data.XmlReader,{
read : function(response){
var doc;
try{
if(Ext.isIE || Ext.isIE7){
doc=new ActiveXObject("Microsoft.XMLDOM");
doc.loadXML(response);
}else{
var oParser=new DOMParser();
doc=oParser.parseFromString(response,"text/xml");
}
}catch(e){
alert(e);
}
if(!doc) {
throw {message: "DWRXmlReader.read: XML Document not available"};
}
return this.readRecords(doc);
}
});调用示例：
combo.html 代码
Js代码
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=GBK">
<link rel="stylesheet" type="text/css" href="../js/extjs/resources/css/ext-all.css" />
<script type='text/javascript' src='/dwr/dwr/interface/DWRCall.js'></script>
<script type='text/javascript' src='/dwr/dwr/engine.js'></script>
<script type="text/javascript" src="../js/extjs/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="../js/extjs/ext-all-debug.js"></script>
<script type="text/javascript" src="../js/extjs/ext-lang-zh_CN.js"></script>
<script type="text/javascript" src="../js/extjs/DWRProxy.js"></script>
<script type="text/javascript" src="comboxTest.js"></script>
<title>Combo对象学习</title>
<script type="text/javascript">
</script>
</head>
<body>
<input type='button' onclick='alert(Ext.get("local-states").getValue());' value='store.getCount())'>
<div>
<input type='text' id='local-states'></input>
</div>
</body>
</html>
comboxTest.js代码:
Js代码
var store;
Ext.onReady(function(){
var data=[['AL', 'Alabama'],['AK', 'Alaska']];
//DWRCall.getComboArray('1',function(data){alert(data[0][1]);});
/*var store=new Ext.data.SimpleStore({
fields:['text','value'],
data:data
});
*/
/**Call comboxData.jsp***/
/*store=new Ext.data.Store({
url:'comboxData.jsp',
reader:new Ext.data.XmlReader({
id:'id',
totalRecords:'results',
record:'row'
},[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
});
*/
/*
store=new Ext.data.Store({
url:'comboxData.jsp',
reader:new Ext.data.JsonReader({
totalProperty: "results", // The property which contains the total dataset size (optional)
root: "rows", // The property which contains an Array of row objects
id: "id"
},new Ext.data.Record.create([
{name: 'text', mapping: 'name'},
{name: 'value',mapping:'occupation'}
]))
});
*/
/****** call DWR ********/
/*
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboJsonByObject,"condy",{name:'condy',address:'xxxx',age:26}),
reader:new Ext.data.DWRJsonReader({
totalProperty: "results",
root: "rows",
id: "id"
},new Ext.data.Record.create([
{name: 'text', mapping: 'name'},
{name: 'value',mapping:'occupation'}
]))
});
*/
/*
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboArray,"condy"),
reader:new Ext.data.DWRArrayReader({
},new Ext.data.Record.create([
{name: 'text', mapping: 0},
{name: 'value',mapping:1}
]))
});
*/
store=new Ext.data.Store({
proxy:new Ext.data.DWRProxy(DWRCall.getComboXml,"condy","test"),
reader:new Ext.data.DWRXmlReader({
id:'id',
totalRecords:'results',
record:'row'
},[{name:'text',mapping:'name'},{name:'value',mapping:'occupation'}])
});
var combo = new Ext.form.ComboBox({
store: store,
typeAhead: true,
displayField:'text',
valueField:'value',
mode: 'local',
triggerAction: 'all',
emptyText:'Select a state...',
selectOnFocus:true,
applyTo: 'local-states'
});
store.load({params:{}});
}
);
java部分代码:
DWRCall.java
Java代码
package com.test;
public class DWRCall {
public String getCombo(String id){
System.out.println("bbbbbbbbbbbbbbbb");
StringBuffer sb=new StringBuffer();
sb.append("[[").append("'condy','name'],['candy','name']]");
System.out.println(sb.toString());
return sb.toString();
}
public String[][] getComboArray(String id){
System.out.println("id:"+id);
String[][] aaData={new String[]{"aaa","111"},new String[]{"bbb","222"}};
return aaData;
}
public String getComboJson(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
public String getComboXml(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sbxml=new StringBuffer();
sbxml.append("<?xml version=/"1.0/" encoding=/"GBK/"?>/n");
sbxml.append("<dataset>/n");
sbxml.append("<results>2</results>/n");
sbxml.append("<row>/n");
sbxml.append("<id>1</id>/n");
sbxml.append("<name>Bill</name>/n");
sbxml.append("<occupation>Gardener</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("<row>/n");
sbxml.append("<id>2</id>/n");
sbxml.append("<name>Condy</name>/n");
sbxml.append("<occupation>Horticulturalist</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("</dataset>/n");
System.out.println(sbxml.toString());
return sbxml.toString();
}
public String getComboJsonByObject(String param1,DWRObject dwrobject){
System.out.println("param1:"+param1);
System.out.println("DWRObject: name:"+dwrobject.getName()+" age:"+dwrobject.getAge());
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
}
package com.test;
public class DWRCall {
public String getCombo(String id){
System.out.println("bbbbbbbbbbbbbbbb");
StringBuffer sb=new StringBuffer();
sb.append("[[").append("'condy','name'],['candy','name']]");
System.out.println(sb.toString());
return sb.toString();
}
public String[][] getComboArray(String id){
System.out.println("id:"+id);
String[][] aaData={new String[]{"aaa","111"},new String[]{"bbb","222"}};
return aaData;
}
public String getComboJson(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
public String getComboXml(String param1,String param2){
System.out.println("param1:"+param1);
System.out.println("param2:"+param2);
StringBuffer sbxml=new StringBuffer();
sbxml.append("<?xml version=/"1.0/" encoding=/"GBK/"?>/n");
sbxml.append("<dataset>/n");
sbxml.append("<results>2</results>/n");
sbxml.append("<row>/n");
sbxml.append("<id>1</id>/n");
sbxml.append("<name>Bill</name>/n");
sbxml.append("<occupation>Gardener</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("<row>/n");
sbxml.append("<id>2</id>/n");
sbxml.append("<name>Condy</name>/n");
sbxml.append("<occupation>Horticulturalist</occupation>/n");
sbxml.append("</row>/n");
sbxml.append("</dataset>/n");
System.out.println(sbxml.toString());
return sbxml.toString();
}
public String getComboJsonByObject(String param1,DWRObject dwrobject){
System.out.println("param1:"+param1);
System.out.println("DWRObject: name:"+dwrobject.getName()+" age:"+dwrobject.getAge());
StringBuffer sb=new StringBuffer();
sb.append("{ 'results': 2, 'rows': [");
sb.append("{ 'id': 1, 'name': 'Bill', occupation: 'Gardener' },");
sb.append("{ 'id': 2, 'name': 'Ben', occupation: 'Horticulturalist' } ]");
sb.append("}");
System.out.println(sb.toString());
return sb.toString();
}
}DWRObject.java
Java代码
package com.test;
public class DWRObject {
private String name;
private String address;
private int age;
/**
* @return the address
*/
public String getAddress() {
return address;
}
/**
* @param address the address to set
*/
public void setAddress(String address) {
this.address = address;
}
/**
* @return the age
*/
public int getAge() {
return age;
}
/**
* @param age the age to set
*/
public void setAge(int age) {
this.age = age;
}
/**
* @return the name
*/
public String getName() {
return name;
}
/**
* @param name the name to set
*/
public void setName(String name) {
this.name = name;
}
}
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