成功效果
function requestWithRetry(cmd, username, password, retryCount) {
return new Promise((resolve, reject) => {
uni.request({
url: ip + 'sys/user/login',
data: {
cmd: cmd,
usrname: username,
passwd: password
},
method: 'POST',
dataType: 'json',
header: {
"content-type": "application/json"
},
success: res => {
// 存入全局变量中
getApp().globalData.username = username;
getApp().globalData.password = password;
getApp().globalData.access_token = res.data.access_token;
getApp().globalData.loginmode = loginmode;
console.log(`第 ${retryCount} 次请求成功:`, res.data);
resolve(res.data);
},
fail(err) {
console.error(`第 ${retryCount} 次请求失败,剩余重试次数 ${retryCount - 1}:`, err)
if (retryCount <= 1) {
// 重试次数已经用完,将错误信息返回给调用者
reject(new Error('请求失败'))
} else {
// 还有重试次数,继续重试
setTimeout(() => {
requestWithRetry(cmd, username, password,
retryCount - 1).then(resolve).catch(reject)
}, 500)
}
}
});
});
}
// 调用方法,retryCount 为重试次数
return requestWithRetry(cmd, username, password, 3)
.then(data => {
// console.log('请求成功', data);
return data;
})
.catch(error => {
// console.log('请求失败', error);
throw error;
});
//定义全局变量
const ip = 'XXXX';
//定义全局函数
//生成随机三位数
function generateRandomNumber() {
var min = 100;
var max = 999;
var randomNumber = Math.floor(Math.random() * (max - min + 1) + min);
return randomNumber;
}
//http方式进行登录
function login_httpmode(username, password, cmd, loginmode) {
//http
if (loginmode == 'http') {
function requestWithRetry(cmd, username, password, retryCount) {
return new Promise((resolve, reject) => {
uni.request({
url: ip + 'sys/user/login',
data: {
cmd: cmd,
usrname: username,
passwd: password
},
method: 'POST',
dataType: 'json',
header: {
"content-type": "application/json"
},
success: res => {
// 存入全局变量中
getApp().globalData.username = username;
getApp().globalData.password = password;
getApp().globalData.access_token = res.data.access_token;
getApp().globalData.loginmode = loginmode;
console.log(`第 ${retryCount} 次请求成功:`, res.data);
resolve(res.data);
},
fail(err) {
console.error(`第 ${retryCount} 次请求失败,剩余重试次数 ${retryCount - 1}:`, err)
if (retryCount <= 1) {
// 重试次数已经用完,将错误信息返回给调用者
reject(new Error('请求失败'))
} else {
// 还有重试次数,继续重试
setTimeout(() => {
requestWithRetry(cmd, username, password,
retryCount - 1).then(resolve).catch(reject)
}, 500)
}
}
});
});
}
// 调用方法,retryCount 为重试次数,设置最大次数为三次
return requestWithRetry(cmd, username, password, 3)
.then(data => {
// console.log('请求成功', data);
return data;
})
.catch(error => {
// console.log('请求失败', error);
throw error;
});
}
}
//导出
module.exports = {
ip,
generateRandomNumber,
login_httpmode,
}
common.login_httpmode(username, password, cmd, type)
.then(info => {
console.log("请求成功",info)
})
.catch(error => {
console.log("请求失败",error)
});
//执行加载中的效果
uni.showLoading({
title: '正在登录...',
mask: true,
});
//调用登录方法
common.login_httpmode(username, password, cmd, type)
//成功返回
.then(info => {
console.log("请求成功",info)
if (info.success == true) {
uni.hideLoading(); // 隐藏加载提示
//全局变量中的数据
uni.reLaunch({ //跳转到主页
url: '/pages/mine/mine_index/mine_index'
})
} else {
uni.hideLoading(); // 隐藏加载提示
if (info.msg == 'pass err') {
uni.showToast({
title: '账号密码不正确',
icon: 'none'
})
}
}
})
.catch(error => {
console.log("请求失败",error)
uni.showToast({
title: '登录失败',
icon: 'none'
})
});