1. Create a model

Data Model of extjsBlog type:

• Extjs

 

1. Create a model

 

Java code

1. // We use Ext. Define to create our model class.
2. // DB table person (name, age, email)
3. Ext. Define ("person ",{
4. Extend: "Ext. Data. model ",
5. Fields :[
6. {Name: 'name', type: 'auto '},
7. {Name: 'age', type: 'int '},
8. {Name: 'email ', type: 'auto '}
9. ]
10. });
12. // We use Ext. regmodel to create our model class.
13. // In MVC mode, the model must be m-layer.
14. Ext. regmodel ("user ",{
15. Fields :[
16. {Name: 'name', type: 'auto '},
17. {Name: 'age', type: 'int '},
18. {Name: 'email ', type: 'auto '}
19. ]
20. });

// We use Ext. define to create our model class // dB table person (name, age, email) Ext. define ("person", {extend: "Ext. data. model ", fields: [{Name: 'name', type: 'auto'}, {Name: 'age', type: 'int'}, {Name: 'email ', type: 'auto'}]}); // use Ext. regmodel to create our model class // in MVC mode, the model must be m-layer Ext. regmodel ("user", {fields: [{Name: 'name', type: 'auto'}, {Name: 'age', type: 'int '}, {Name: 'email ', type: 'auto'}]});

2. Create a model instance and how to instantiate an object

Java code

1. // Instantiate our person (here are three methods)
2. // 1 New Keyword
3. VaR P = new person ({
4.  
5. Name: 'baomengjie ',
6. Age: 23,
7. Email: '[email protected]'
8. });
9. // Alert (P. Get ());
10.  
11. // 2 Ext. Create (officially recommended)
12. VaR p1 = ext. Create ("person ",{
13.  
14. Name: 'baomengjie ',
15. Age: 23,
16. Email: '[email protected]'
17. });
18. // Alert (p1.get ('age '));
19.  
20. // 3 Ext. modelmgr. Create
21. VaR P2 = ext. modelmgr. Create ({
22. Name: 'baomengjie ',
23. Age: 23,
24. Email: '[email protected]'
25. }, "User ");
26. Alert (p2.get ('email '));