<View style={{flex: 1}}>
<RefreshListView
data={this.state.goodlist}
keyExtractor={this.keyExtractor}
renderItem={this.renderCell}
refreshState={this.state.refreshState}
onHeaderRefresh={this.onHeaderRefresh.bind()}
onFooterRefresh={this.onFooterRefresh.bind()}
// 可选
footerRefreshingText= '玩命加载中 >.<'
footerFailureText = '我擦嘞，居然失败了 =.=!'
footerNoMoreDataText= '-我是有底线的-'
footerEmptyDataText= '-好像什么东西都没有-'
/>
</View>
onHeaderRefresh = () => {
// 下拉刷新
this.setState({refreshState: RefreshState.HeaderRefreshing}, () => {
this.getGoods(true, {offset: 0})
})
}
onFooterRefresh = () => {
// 上拉加载
this.setState({refreshState: RefreshState.FooterRefreshing}, () => {
const params = {
offset: this.state.offset + 10,
}
this.getGoods(false, params)
})
}
getGoods = (isReload, params) => {
let reqparams = {
systemBookCode: "4344",
department: "",
categoryCode: "",
offset: this.state.offset,
limit: this.state.limit,
sortField: "item_code",
sortBy: "asc"
}
if (params) {
reqparams = {
...reqparams,
...params,
}
}
if (isReload) {
// 下拉刷新出前10条数据
console.log('前10条数据查询条件', reqparams)
postJSON(getgoodUrl, reqparams, (res) => {
console.log(res)
if (res.code === 0) {
if (res.data && res.data.length > 0) {
this.setState({
// ...params,
goodlist: res.data,
offset: 0,
refreshState: res.data.length < 1 ? RefreshState.EmptyData : RefreshState.Idle,
});
} else {
this.setState({
goodlist: [],
refreshState: RefreshState.EmptyData
})
}
} else {
this.setState({
refreshState: RefreshState.Failure
})
}
})
} else {
// this.setState({refreshState: RefreshState.HeaderRefreshing})
// 上拉加载更多
console.log('false请求参数', reqparams)
postJSON(getgoodUrl, reqparams, (res) => {
if (res.code === 0) {
if (res.data.length > 0) {
let newdatalist = this.state.goodlist.concat(res.data)
this.setState({
// ...params,
goodlist: newdatalist,
offset: reqparams.offset,
refreshState: res.data.length < 1 ? RefreshState.EmptyData : RefreshState.Idle,
});
} else {
this.setState({
refreshState: res.data.length < 1 ? RefreshState.NoMoreData : RefreshState.Idle,
});
}
} else {
this.setState({
refreshState: RefreshState.Failure
})
}
})
}
}
