【www.bbyears.com--Action】
本文实例为大家分享了React Native地址挑选器的实现代码，供大家参考，具体内容如下
产品经理：“你明白吧，这里向右划可以出菜单，然后需要一个闪烁的动画，还有，我想这个tab可以拉下来，你懂吧？
设计师：“别废话，把你要抄的产品给我看下。”
…
接下来，我们仿一下别人家的地址挑选器
import React, { Component, PropTypes } from "react";
import {
ViewPropTypes,
StyleSheet,
View,
TouchableOpacity,
TouchableNativeFeedback,
Platform,
Animated,
Text
} from "react-native";
export default class SelectCityTabBar extends Component {
//属性声名
static propTypes = {
goToPage: PropTypes.func,
activeTab: PropTypes.number,
tabs: PropTypes.array,
backgroundColor: PropTypes.string,
activeTextColor: PropTypes.string,
inactiveTextColor: PropTypes.string,
textStyle: Text.propTypes.style,
tabStyle: ViewPropTypes.style,
renderTab: PropTypes.func,
underlineStyle: ViewPropTypes.style,
};
//默认属性
static defaultProps = {
activeTextColor: "#FA3D4F",
inactiveTextColor: "black",
backgroundColor: null,
}
renderTab(name, page, isTabActive, onPressHandler) {
const { activeTextColor, inactiveTextColor, textStyle, } = this.props;
const textColor = isTabActive ? activeTextColor : inactiveTextColor;
const fontWeight = isTabActive ? "bold" : "normal";
const viewStyle = isTabActive ? [styles.tab, { borderBottomWidth: Constant.sizeDividerLarge, borderColor: Constant.colorPrimary }] : styles.tab;
if (Platform.OS !== "ios") {
return onPressHandler(page)}
>
{name}
}
return onPressHandler(page)}
>
{name}
;
}
render() {
return (
flexDirection: "row", borderBottomWidth: Constant.sizeDividerNormal, borderColor: Constant.colorDivider }}>
{this.props.tabs.map((name, page) => {
const isTabActive = this.props.activeTab === page;
const renderTab = this.props.renderTab || this.renderTab;
return this.renderTab(name, page, isTabActive, this.props.goToPage);
})}
);
}
}
const styles = StyleSheet.create({
tab: {
alignItems: "center",
justifyContent: "center",
paddingBottom: 10,
marginLeft: 10,
},
tabs: {
height: 50,
flexDirection: "row",
justifyContent: "space-around",
borderWidth: 1,
borderTopWidth: 0,
borderLeftWidth: 0,
borderRightWidth: 0,
borderColor: "#ccc",
},
});
npm react-native-scrollable-tab-view 组件
import React, { Component } from "react";
import {
StyleSheet,
View,
ScrollView,
Dimensions,
TouchableOpacity,
InteractionManager,
Platform,
UIManager,
Text
} from "react-native";
import ScrollableTabView from "react-native-scrollable-tab-view";
import SelectCityTabBar from "./SelectCityTabBar"
import AREA_JSON from "../../util/area.json";
const { height, width } = Dimensions.get("window");
export default class AddressSelect extends Component {
static defaultProps = {
commitFun: function (value) {
console.log(value);
},
dissmissFun: function () {
},
lastAddress: null,
};
constructor(props) {
super(props);
if (Platform.OS === "android") {
UIManager.setLayoutAnimationEnabledExperimental(true)
}
const { lastAddress } = props;
let selectAddress = this.initAddress(lastAddress);
this.state = {
selectAddress
}
}
initAddress(lastAddress) {
let selectAddress = [
{
value: null,
label: null,
children: AREA_JSON,
}, {
value: null,
label: null,
children: null,
}, {
value: null,
label: null,
children: null,
}];
let array = null;
function fun(array, value) {
for (let item of array) {
if (item.value + "" === value + "") {
return item;
}
}
}
try {
selectAddress = selectAddress.map((item, index) => {
let result = fun(array ? array : AREA_JSON, lastAddress[index].value);
if (result.children) {
array = result.children;
}
return result;
});
} catch (e) {
console.log("-----e-", e);
}
return selectAddress
}
/**
* 列表行
* @param item
* @param i
* @returns {XML}
*/
renderListItem(item, i) {
let itemStyle = styles.itemStyle;
let textStyle = styles.itemText;
let { selectAddress } = this.state;
if (item.label === selectAddress[i].label) {
itemStyle = [itemStyle];
textStyle = [textStyle, { color: "red" }]
}
return (
{
this.pressItem(item, i)
}}
>
{item.label}
)
}
/**
* 点击列表事件
* @param item 选中数据
* @param i 选中行数
*/
pressItem(item, i) {
let { selectAddress } = this.state;
const initObj = {
value: null,
label: null,
children: null,
}
let tempIndex = 0;
if (i === 0) {
selectAddress[0] = item;
selectAddress[1] = initObj;
selectAddress[2] = initObj;
tempIndex = 1
} else if (i === 1) {
selectAddress[1] = item;
selectAddress[2] = initObj;
tempIndex = 2
} else {
selectAddress[2].value = item.value;
selectAddress[2].label = item.label;
tempIndex = 2
let address = [
{
label: selectAddress[0].label,
value: selectAddress[0].value
},
{
label: selectAddress[1].label,
value: selectAddress[1].value
},
{
label: selectAddress[2].label,
value: selectAddress[2].value
}
]
this.props.commitFun && this.props.commitFun(address);
this.props.dissmissFun && this.props.dissmissFun();
return null;
}
this.setState({ selectAddress });
InteractionManager.runAfterInteractions(() => {
this.tabView.goToPage(tempIndex)
})
}
render() {
const { selectAddress } = this.state;
return (
所在地区
{
this.tabView = tabView;
}}
renderTabBar={() =>
{array && array.map((obj2, j) => {
return this.renderListItem(obj2, i)
})}
)
}
})}
);
}
}
const styles = StyleSheet.create({
container: {
height: height * 0.6,
backgroundColor: "#F5FCFF",
},
scrollStyleList: {
width: width,
marginBottom: Constant.sizeMarginDefault,
marginTop: Constant.sizeMarginDefault,
},
itemStyle: {
marginTop: 5,
width: width,
height: 35,
marginLeft: Constant.sizeMarginDefault,
justifyContent: "center"
},
itemText: {
fontSize: 15,
color: "#333333"
},
使用方法：
import React, {Component} from "react";
import {
StyleSheet,
View,
TouchableOpacity,
Alert,
ScrollView,
ART,
TouchableHighlight,
ListView,
Dimensions,
Text
} from "react-native";
import {ReactNavComponent, Widget} from "rn-yunxi";
import AddressSelect from "../../app-widget/address-select/index"
export default class extends React.Component {
render() {
return (
this.openAddressSelect()}>
地址选择
);
}
openAddressSelect() {
Widget.Popup.show( // 这边使用自己封装的modal嵌套地址选择器
this.onSelectArea(area)}
dissmissFun={() => Widget.Popup.hide()}
/>,
{
animationType: "slide-up", backgroundColor: "#00000000", onMaskClose: () => {
Widget.Popup.hide()
}
})
}
onSelectArea = (area) => {
Log(area)
}
};
数据类型格式
[
{
"value": "110000000000",
"children": [
{
"value": "110100000000",
"children": [
{
"value": "110101000000",
"label": "东城区"
},
{
"value": "110102000000",
"label": "西城区"
},
{
"value": "110105000000",
"label": "朝阳区"
},
{
"value": "110106000000",
"label": "丰台区"
},
{
"value": "110107000000",
"label": "石景山区"
},
{
"value": "110108000000",
"label": "海淀区"
},
{
"value": "110109000000",
"label": "门头沟区"
},
{
"value": "110111000000",
"label": "房山区"
},
{
"value": "110112000000",
"label": "通州区"
},
{
"value": "110113000000",
"label": "顺义区"
},
{
"value": "110114000000",
"label": "昌平区"
},
{
"value": "110115000000",
"label": "大兴区"
},
{
"value": "110116000000",
"label": "怀柔区"
},
{
"value": "110117000000",
"label": "平谷区"
},
{
"value": "110118000000",
"label": "密云区"
},
{
"value": "110119000000",
"label": "延庆区"
}
],
"label": "北京市"
}
],
"label": "北京市"
}
]