微信小程序学习笔记之表单提交与PHP后台数据交

<form bindsubmit="formSubmit" bindreset="formReset">
 <view>
  昵称<input type="text" name="nickname" placeholder="请输入昵称" confirm-type="done" />
  密码<input password type="number" name="password" placeholder="请输入6位密码" maxlength="6" />
  性别
  <radio-group name="sex">
   <label><radio value="女"/>女</label>
   <label><radio value="男"/>男</label>
  </radio-group>
  爱好
  <checkbox-group name="aihao">
   <label><checkbox value="cy"/>抽烟</label>
   <label><checkbox value="hj"/>喝酒</label>
   <label><checkbox value="tt"/>烫头</label>
  </checkbox-group>
  状态<switch name="status"/>
  <view>成绩<slider name="grade" show-value ></slider></view>
 </view>

 <view class="btn-area">
  <button formType="submit">提交</button>
  <button formType="reset">重置</button>
 </view>
</form>

Page({
 formSubmit: function (e) {
  console.log('form发生了submit事件，提交数据', e.detail.value)
 },
 formReset: function () {
  console.log('form发生了reset事件')
 }
})

Page({
 formSubmit: function (e) {
  wx.request({
   url: 'https://.msllws./getdata.php',
   data: {
    'nickname': e.detail.value.nickname,
    'password': e.detail.value.password,
    'sex': e.detail.value.sex,
    'status': e.detail.value.status,
    'aihao': e.detail.value.aihao,
    'grade': e.detail.value.grade
   },
   method:'POST',
   header: {
    'Content-Type': 'application/x--form-urlencoded'
   },
   suess: function (res) {
    console.log(res.data)
   }
  })
 }
})

<?php 
  $postdata = $_POST; //获得POST请求提交的数据

  //打印日志 方便查看
  $fp = fopen('./log.txt','a+');  
  fwrite($fp,var_export($postdata,true));  
  fclose($fp);
 
  echo 666; //返回状态或数据

array (
 'nickname' => '李栋',
 'password' => '123456',
 'sex' => '男',
 'status' => 'true',
 'aihao' => 'cy,hj,tt',
 'grade' => '66',
)

<?php 
  $postdata = $_POST;
  $fp = fopen('./log.txt','a+');  
  fwrite($fp,var_export($postdata,true));  
  fclose($fp); 

  if($postdata['nickname']){
	$arr['state'] = 1;
	$arr['info'] = '提交成功';
  }else{
	$arr['state'] = 0;
	$arr['info'] = '名字为空';
  }
  echo json_encode($arr);die;

Page({
 formSubmit: function (e) {
  wx.request({
   url: 'https://.msllws./getdata.php',
   data: {
    'nickname': e.detail.value.nickname,
    'password': e.detail.value.password,
    'sex': e.detail.value.sex,
    'status': e.detail.value.status,
    'aihao': e.detail.value.aihao,
    'grade': e.detail.value.grade
   },
   method: 'POST',
   header: {
    'Content-Type': 'application/x--form-urlencoded'
   },
   suess: function (res) {
    if (res.data.state == 1) {
     wx.showToast({
      title: res.data.info
     });
    }else{
     wx.showToast({
      title: res.data.info
     });
    }
   }
  })
 }
})

<?php
namespace app\home\controller;

use think\Controller;
class Getdata extends Controller
{
  public function index()
  { 
    //查询10篇博客
    $whe['is_del'] = 'N';
    $artinfo = db('article')->field('`article_id`,`article_title`,`thumbnail`')->where($whe)->limit(10)->select();
    //拼接缩略图路径
    foreach ($artinfo as $k => $v) {
      $artinfo[$k]['thumbnail'] = 'https://.msllws.'.$v['thumbnail'];
    }
    return json($artinfo);
  }
}

Page({
 onLoad: function () {
  var that = this
  wx.request({
   url: 'https://.msllws./Getdata',
   headers: {
    'Content-Type': 'application/json'
   },
   suess: function (res) {
    that.setData({
     artinfo: res.data
    })
   }
  })
 }
})

<view wx:for="{{artinfo}}" wx:for-item="artinfo">
  <view>{{artinfo.article_title}}</view>
  <image src="{{artinfo.thumbnail}}"></image>
</view>