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Android实现可复用的筛选页面

2019年09月06日  | 移动技术网IT编程  | 我要评论

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本文实例为大家分享了android实现可复用的筛选页面的具体代码，供大家参考，具体内容如下

窗口代码

/**
 * 筛选页面
 * 1.将用户的输入转换成sql语句
 * 2.涉及到精确查询和模糊查询
 * 3.提交数据之后需要刷新列表
 */
public class userfilteractivity extends appcompatactivity implements view.onclicklistener {

 private list<imageview> imageviewlist;
 private context mcontext;

 @override
 protected void oncreate(@nullable bundle savedinstancestate) {
  super.oncreate(savedinstancestate);
  setcontentview(r.layout.activity_user_filter);
  butterknife.bind(this);

  initview();
  initdata();
  initlistener();
 }

 private void initdata() {

  mcontext = this;
  title.settext("筛选");

  //将所有的imageview实例存进list
  imageviewlist = new arraylist<>();
  imageviewlist.add(ivnumber);
  imageviewlist.add(ivmobile);
  imageviewlist.add(ivworknumber);
  imageviewlist.add(ivsysname);
  imageviewlist.add(ivpost);
  imageviewlist.add(ivtelephone);
  imageviewlist.add(ivemail);

  //初始化imageview，把状态放进tag里面
  // 所有的imageview都是未选中状态
  for (imageview imageview : imageviewlist) {
   imageview.settag(false);
  }
 }

 private void initview() {
  edittv.setvisibility(view.visible);
  edittv.setcompounddrawableswithintrinsicbounds(r.drawable.ic_send_black_24dp, 0, 0, 0);
 }

 private void initlistener() {

  //给imageview设置监听
  for (imageview imageview : imageviewlist) {
   imageview.setonclicklistener(this);
  }

  //单选按钮设置监听
  rgstatus.setoncheckedchangelistener((group, checkedid) -> {
   if (checkedid == r.id.rb_status_off) {
    offtime.setvisibility(view.visible);
    line.setvisibility(view.visible);
   } else {
    offtime.setvisibility(view.gone);
    line.setvisibility(view.gone);
   }
  });

  titleleft.setonclicklistener(this);
  edittv.setonclicklistener(this);
  tvusername.setonclicklistener(this);
  tvcreator.setonclicklistener(this);
 }

 @override
 public void onclick(view view) {

  if (view.getid() == r.id.title_left) {
   finish();
  }

  if (view.getid() == r.id.edit_tv) {
   submit();
  }

  //选择用户，这里是多选
  if (view.getid() == r.id.tv_user_name) {
   intent intent = new intent(mcontext, userselectactivity.class);
   intent.putextra("ismultipleenable", true);
   startactivityforresult(intent, 15476);
  }

  //选择用户，这里是单选
  if (view.getid() == r.id.tv_creator) {
   intent intent = new intent(mcontext, userselectactivity.class);
   startactivityforresult(intent, 13685);
  }

  //点击checkbox的动作
  switch (view.getid()) {
   case r.id.iv_number:
   case r.id.iv_work_number:
   case r.id.iv_sys_name:
   case r.id.iv_post:
   case r.id.iv_mobile:
   case r.id.iv_telephone:
   case r.id.iv_email:
    switchexact((imageview) view);
  }
 }

 //拼接sql语句，并回传给上一个页面然后结束此页
 //字段仅供参考
 public void submit() {
  stringbuilder sb = new stringbuilder("where");
  string number = etnumber.gettext().tostring();
  string worknumber = etworknumber.gettext().tostring();
  string sysname = etsysname.gettext().tostring();
  string post = etpost.gettext().tostring();
  string mobile = etmobile.gettext().tostring();
  string telephone = ettelephone.gettext().tostring();
  string email = etemail.gettext().tostring();

  if (!textutils.isempty(number)) {
   string[] arr = number.split(",");
   if ((boolean) ivnumber.gettag()) {
    sb.append(" and userid in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (left(userid, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     } else {
      sb.append(" or left(userid, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(sysname)) {
   string[] arr = sysname.split(",");
   if ((boolean) ivsysname.gettag()) {
    sb.append(" and username in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (username like '|").append(arr[i]).append("|'");
     } else {
      sb.append(" or username like '|").append(arr[i]).append("|'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(worknumber)) {
   string[] arr = worknumber.split(",");
   if ((boolean) ivworknumber.gettag()) {
    sb.append(" and worknumber in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (worknumber like '").append(arr[0]).append("|'");
     } else {
      sb.append(" or worknumber like '").append(arr[i]).append("|'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(post)) {
   string[] arr = post.split(",");
   if ((boolean) ivpost.gettag()) {
    sb.append(" and workpos in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (workpost like '|").append(arr[0]).append("|'");
     } else {
      sb.append(" or workpost like '|").append(arr[i]).append("|'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(mobile)) {
   string[] arr = mobile.split(",");
   if ((boolean) ivmobile.gettag()) {
    sb.append(" and mobile in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     sb.append(" and mobilenumber in ('").append(stringtostring(arr)).append("')");
     if (i == 0) {
      sb.append(" and (left(mobilenumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     } else {
      sb.append(" or left(mobilenumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(telephone)) {
   string[] arr = telephone.split(",");
   if ((boolean) ivtelephone.gettag()) {
    sb.append(" and officenumber in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (left(officenumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     } else {
      sb.append(" or left(officenumber, ").append(arr[i].length()).append(") = '").append(arr[i]).append("'");
     }
    }
    sb.append(")");
   }
  }

  if (!textutils.isempty(email)) {
   string[] arr = email.split(",");
   if ((boolean) ivemail.gettag()) {
    sb.append(" and email in (").append(stringtostring(arr)).append(")");
   } else {
    for (int i = 0; i < arr.length; i++) {
     if (i == 0) {
      sb.append(" and (email　like '|").append(arr[i]).append("|'");
     } else {
      sb.append(" or　email like '|").append(arr[i]).append("|'");
     }
    }
    sb.append(")");
   }
  }

  intent intent = new intent();
  string sql = sb.tostring().replacefirst(" and", "");

  intent.putextra("sql", sql);
  setresult(123, intent);
  finish();
 }

 //切换checkbox状态
 public void switchexact(imageview view) {
  view.settag(!(boolean) view.gettag());
  if ((boolean) view.gettag()) {
   view.setimageresource(r.drawable.ic_check_box_black_24dp);
  } else {
   view.setimageresource(r.drawable.ic_check_box_outline_blank_black_24dp);
  }
 }

 private string stringtostring(string[] array) {
  stringbuilder end = new stringbuilder("");
  for (string s : array) {
   end.append("'").append(s).append("',");
  }
  return end.tostring().substring(0, end.length() - 1);
 }

 @override
 //回传值的处理
 protected void onactivityresult(int requestcode, int resultcode, @nullable intent data) {

  if (requestcode == 15476 && resultcode == result_ok) {
   arraylist<clsnormaluser> users = data.getparcelablearraylistextra("users");
   stringbuilder sb = new stringbuilder();

   for (clsnormaluser user : users) {
    sb.append(user.getcname()).append(",");
   }
   tvusername.settext(sb.tostring());
  }

  if (requestcode == 13685 && resultcode == result_ok) {
   clsnormaluser user = data.getparcelableextra("user");
   tvcreator.settext(user.getcname());
  }

  super.onactivityresult(requestcode, resultcode, data);
 }
}

效果如图

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