我用谷歌搜索,发现下面的代码创建复选框。但是当我点击复选框时,这些复选框被选中。我的要求是,我需要一个复选框被选中而其他复选框未选中。这是一个复选框必须被选中一次。按下重置按钮应该取消选中所有复选框。
var win = Ti.UI.createWindow({backgroundColor:"white"});
var checkbox = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"male",
value:true
});
win.add(checkbox);
checkbox.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
});
var checkbox1 = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"female",
value:true
});
win.add(checkbox1);
checkbox1.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
});
var resetbtn = Ti.UI.createButton({
top : '100',
width : '50',
height : '35',
title : 'Reset'
});
win1.add(resetbtn);
resetbtn.addEventListener('click', function(){
checkbox.value='';
}
win.open();
请帮助我,我是钛的新手,我希望复选框应该在预设复位按钮和一个复选框时不要点击,以便一次点击。
答案 0 :(得分:1)
根据您的查询,您需要以下内容:
对于第1点:以下是此点的代码:
var win = Ti.UI.createWindow({backgroundColor:"white"});
var checkbox = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"male",
value:true,
width: "200dp", height:"120dp", left:"10dp"
});
win.add(checkbox);
checkbox.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
if(e.value) {
checkbox1.value=false;
} else {
checkbox1.value=true;
}
});
var checkbox1 = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"female",
value:true
});
win.add(checkbox1);
checkbox1.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
if(e.value) {
checkbox.value=false;
} else {
checkbox.value=true;
}
});
var resetbtn = Ti.UI.createButton({
top : '100',
width : '50',
height : '35',
title : 'Reset'
});
win.add(resetbtn);
resetbtn.addEventListener('click', function(){
Ti.API.info('Refresh button click');
});
win.open();
对于第2点:我只是根据您的需要编写代码,但这不是我想的正确方法。如果您想根据您的要求重置复选框(一次必须选中一个复选框),那么最好使用图像复选框或单选按钮。但这是代码:
var win = Ti.UI.createWindow({backgroundColor:"white"});
var checkFlag = true;
var resetTouch = false;
var checkbox = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"male",
value:true,
width: "200dp", height:"120dp", left:"10dp"
});
win.add(checkbox);
checkbox.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
if(e.value) {
checkbox1.value=false;
} else {
checkbox1.value=true;
}
});
var checkbox1 = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"female",
value:true
});
win.add(checkbox1);
checkbox1.addEventListener("change", function(e){
Ti.API.info("The checkbox has been set to " + e.value);
if(e.value) {
checkbox.value=false;
} else {
checkbox.value=true;
}
});
var resetbtn = Ti.UI.createButton({
top : '100',
width : '50',
height : '35',
title : 'Reset'
});
win.add(resetbtn);
var checkboxNew = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"male",
value:false,
width: "200dp", height:"120dp", left:"10dp"
});
win.add(checkboxNew);
var checkboxNew1 = Ti.UI.createSwitch({
style:Ti.UI.Android.SWITCH_STYLE_CHECKBOX,
title:"female",
value:false
});
win.add(checkboxNew1);
resetbtn.addEventListener('click', function(){
Ti.API.info('checkFlag = ' + checkFlag);
if(checkFlag) {
checkbox.hide();
checkbox1.hide();
checkboxNew.show();
checkboxNew1.show();
checkFlag = false;
} else {
checkbox.show();
checkbox1.show();
checkboxNew.hide();
checkboxNew1.hide();
checkFlag = true;
}
});
checkboxNew.addEventListener("change", function(e){
Ti.API.info("The checkboxNew has been set to " + e.value);
checkboxNew.value=false;
checkboxNew1.value=false;
});
checkboxNew1.addEventListener("change", function(e){
Ti.API.info("The checkboxNew1 has been set to " + e.value);
checkboxNew.value=false;
checkboxNew1.value=false;
});
checkbox.hide();
checkbox1.hide();
checkboxNew.show();
checkboxNew1.show();
win.open();
请看一下。