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//创建字符串NSString* astring = @"This is a String";//创建空串，给予赋值NSString* astring =[[NSString alloc]init];astring = @"This is a String";NSLog(@"astring:%@",astring);[astring release];//使用变量初始化NSString* name = @"Cross";NSString* astring = [NSString stringWithFormat:@ 阅读全文
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var states = Ext.create('Ext.data.Store', { //[{name:'lineId'},{name: 'id'}] autoLoad: true,fields: [{name:name},{name: 'id'}],proxy: {type: 'ajax',url : getLineOrSubJson,reader: {type: 'json'}}}); 然后获取store时总是为空，应该是异步加载时机问题，懒得追问，想在下面的代码中读取store中数据，可以修 阅读全文
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利用js的库实现个计算器可以这么简单呀。。ScriptEngineManager scriptManager = new ScriptEngineManager(); ScriptEngine js = scriptManager.getEngineByExtension("js"); try { System.out.println(js.eval("5+6*9")); } catch (ScriptException e) { e.printStackTrace(); } 阅读全文