request.vue
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<template>
<view>
<page-head :title="title"></page-head>
<view class="uni-padding-wrap uni-common-mt">
<view class="uni-hello-text">
请点击按钮向服务器发起请求
</view>
<view class="uni-textarea uni-common-mt">
<textarea :value="res"></textarea>
</view>
<view class="uni-btn-v uni-common-mt">
<button type="primary" @click="sendRequest" :loading="loading">发起请求（Callback）</button>
<button type="primary" @click="sendRequest('promise')" :loading="loading">发起请求（Promise）</button>
<button type="primary" @click="sendRequest('await')" :loading="loading">发起请求（Async/Await）</button>
</view>
</view>
</view>
</template>
<script>
const requestUrl = 'https://unidemo.dcloud.net.cn/ajax/echo/text?name=uni-app'
const duration = 2000
export default {
data() {
return {
title: 'request',
loading: false,
res: ''
}
},
methods: {
sendRequest(mode) {
this.loading = true;
switch (mode) {
case 'promise':
this._requestPromise();
break;
case 'await':
this._requestAwait();
break;
default:
this._request();
break;
}
},
_request() {
uni.request({
url: requestUrl,
dataType: 'text',
data: {
noncestr: Date.now()
},
success: (res) => {
console.log('request success', res)
uni.showToast({
title: '请求成功',
icon: 'success',
mask: true,
duration: duration
});
this.res = '请求结果 : ' + JSON.stringify(res);
},
fail: (err) => {
console.log('request fail', err);
uni.showModal({
content: err.errMsg,
showCancel: false
});
},
complete: () => {
this.loading = false;
}
});
},
_requestPromise() {
// #ifndef VUE3
uni.request({
url: requestUrl,
dataType: 'text',
data: {
noncestr: Date.now()
}
}).then(res => {
console.log('request success', res[1]);
uni.showToast({
title: '请求成功',
icon: 'success',
mask: true,
duration: duration
});
this.res = '请求结果 : ' + JSON.stringify(res[1]);
this.loading = false;
}).catch(err => {
console.log('request fail', err);
uni.showModal({
content: err.errMsg,
showCancel: false
});
this.loading = false;
});
// #endif
// #ifdef VUE3
uni.request({
url: requestUrl,
dataType: 'text',
data: {
noncestr: Date.now()
}
}).then(res => {
console.log('request success', res);
uni.showToast({
title: '请求成功',
icon: 'success',
mask: true,
duration: duration
});
this.res = '请求结果 : ' + JSON.stringify(res);
this.loading = false;
}).catch(err => {
console.log('request fail', err);
uni.showModal({
content: err.errMsg,
showCancel: false
});
this.loading = false;
});
// #endif
},
async _requestAwait() {
let res, err
// #ifndef VUE3
[err, res] = await uni.request({
url: requestUrl,
dataType: 'text',
data: {
noncestr: Date.now()
}
});
// #endif
// #ifdef VUE3
try {
res = await uni.request({
url: requestUrl,
dataType: 'text',
data: {
noncestr: Date.now()
}
});
} catch(e){
err=e
}
// #endif
if (err) {
console.log('request fail', err);
uni.showModal({
content: err.errMsg,
showCancel: false
});
} else {
console.log('request success', res)
uni.showToast({
title: '请求成功',
icon: 'success',
mask: true,
duration: duration
});
this.res = '请求结果 : ' + JSON.stringify(res);
}
this.loading = false;
}
}
}
</script>