1、增加SearchAppBar

lib/flutter_clx_base.dart

@@ -6,3 +6,4 @@ export 'utils/image_utils.dart';
 export 'widget/my_app_bar.dart';
 export 'widget/my_scaffold.dart';
 export 'widget/my_scroll_view.dart';
+export 'widget/search_app_bar.dart';

lib/utils/keyboard_utils.dart

+import 'package:flutter/material.dart';
+import 'package:keyboard_actions/keyboard_actions.dart';
+
+class KeyBoardUtils {
+  static KeyboardActionsConfig getKeyboardActionsConfig(
+      BuildContext context, List<FocusNode> list) {
+    return KeyboardActionsConfig(
+      keyboardBarColor: Colors.grey[200],
+      nextFocus: true,
+      actions: List.generate(
+          list.length,
+          (i) => KeyboardActionsItem(
+                focusNode: list[i],
+                toolbarButtons: [
+                  (node) {
+                    return GestureDetector(
+                      onTap: () => node.unfocus(),
+                      child: const Padding(
+                        padding: EdgeInsets.only(right: 16.0),
+                        child: Text('关闭'),
+                      ),
+                    );
+                  },
+                ],
+              )),
+    );
+  }
+
+  //隐藏键盘
+  static void hideKeyboard() {
+    FocusManager.instance.primaryFocus?.unfocus();
+  }
+}
+
+

lib/utils/string_util.dart

+import 'package:flutter/material.dart';
+
+bool isNullOrEmpty(String? txt) {
+  return txt == null || txt.isEmpty;
+}
+
+bool isMobile(String? mobile) {
+  return !isNullOrEmpty(mobile) &&
+      mobile!.length == 11 &&
+      mobile.startsWith("1");
+}
+
+///判断文字是否为空
+String txtIsNull(txt, {nullTxt = "-"}) {
+  if (txt == null || txt == "") {
+    return nullTxt;
+  } else {
+    return txt;
+  }
+}
+
+String txtIsNullWithTitle(txt, title, {nullTxt = "-"}) {
+  if (txt == null || txt == "") {
+    return nullTxt;
+  } else {
+    return title + ": " + txt;
+  }
+}
+
+///设置文字长度
+String txtLength(String? txt, {int? length, nullTxt = ""}) {
+  if (txt == null || txt == "") {
+    return nullTxt;
+  } else {
+    if (length != null && txt.length > length) {
+      return "${txt.substring(0, length)}...";
+    }
+    return txt;
+  }
+}
+
+
+
+//时间去除.0
+String? rightTime(String? time) {
+  String? rightTime = time;
+  if (time != null && time != "" && time.contains(".")) {
+    rightTime = time.split(".")[0];
+  }
+  return rightTime;
+}
+
+//获取当前时间
+String? getNowTime() {
+  return rightTime(DateTime.now().toString());
+}
+
+//获取输入框内的信息
+String getControllerString(TextEditingController controller) {
+  return controller.value.text.toString().trim();
+}
+
+//获取输入框内的文字长度
+int getControllerStringLength(TextEditingController controller) {
+  return getControllerString(controller).length;
+}
+
+bool checkEasyPwd(String input,String phone) {
+  //1：不能出现连续的字母或者数字
+  var allMatchLength = input.length - 1; // 匹配全部
+  var preMatchLength = input.length - 2; // 匹配N-1位
+  RegExp allSameChar = new RegExp("([0-9a-zA-Z])\\1{$allMatchLength}"); // 匹配全为连续字符
+  RegExp preSameChar = new RegExp("([0-9a-zA-Z])\\1{$preMatchLength}"); // 匹配n-1位位连续字符
+  //2：不能出现顺子（123456或654321一类） 连续的数字
+  // allSuccessiveNum 顺子
+  // startCharSuccessiveNum  第一位字母  后面顺子
+  // endCharSuccessiveNum    最后一位字母  前面顺子
+  RegExp allSuccessiveNum = new RegExp("(?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)|9(?=0)){$allMatchLength}\\d|(?:9(?=8)|8(?=7)|7(?=6)|6(?=5)|5(?=4)|4(?=3)|3(?=2)|2(?=1)|1(?=0)){$allMatchLength}\\d");
+  RegExp startCharSuccessiveNum = new RegExp("[A-Za-z](?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){$preMatchLength}\\d|[A-Za-z](?:9(?=8)|8(?=7)|7(?=6)|6(?=5)|5(?=4)|4(?=3)|3(?=2)|2(?=1)|1(?=0)){$preMatchLength}\\d");
+  RegExp endCharSuccessiveNum = new RegExp("((?:0(?=1)|1(?=2)|2(?=3)|3(?=4)|4(?=5)|5(?=6)|6(?=7)|7(?=8)|8(?=9)){$preMatchLength}\\d)[A-Za-z]|((?:9(?=8)|8(?=7)|7(?=6)|6(?=5)|5(?=4)|4(?=3)|3(?=2)|2(?=1)|1(?=0)){$preMatchLength}\\d)[A-Za-z]");
+
+  // print('----- allSameChar: $allSameChar');
+  // print('----- preSameChar: $preSameChar');
+  // print('----- allSuccessiveNum: $allSuccessiveNum');
+  // print('----- startCharSuccessiveNum: $startCharSuccessiveNum');
+  // print('----- endCharSuccessiveNum: $endCharSuccessiveNum');
+  // print('----- allSameChar: $input ${allSameChar.hasMatch(input)}');
+  // print('----- preSameChar: $input ${preSameChar.hasMatch(input)}');
+  // print('----- allSuccessiveNum: $input ${allSuccessiveNum.hasMatch(input)}');
+  // print('----- startCharSuccessiveNum: $input ${startCharSuccessiveNum.hasMatch(input)}');
+  // print('----- endCharSuccessiveNum: $input ${endCharSuccessiveNum.hasMatch(input)}');
+  return allSameChar.hasMatch(input) ||
+      preSameChar.hasMatch(input) ||
+      allSuccessiveNum.hasMatch(input) ||
+      startCharSuccessiveNum.hasMatch(input) ||
+      endCharSuccessiveNum.hasMatch(input) ||
+      phone.contains(input);
+}

lib/widget/search_app_bar.dart

+import 'package:flutter/material.dart';
+import 'package:flutter_clx_base/common/gaps.dart';
+import 'package:flutter_clx_base/utils/keyboard_utils.dart';
+import 'package:flutter_clx_base/utils/string_util.dart';
+import 'package:flutter_clx_base/utils/toast_util.dart';
+import 'package:get/get.dart';
+import 'package:keyboard_actions/keyboard_actions.dart';
+
+class SearchAppBar extends StatefulWidget implements PreferredSizeWidget {
+  final Function? onCallback;
+  final String? hintText;
+  final bool showLeading;
+  final Color backgroundColor;
+  final bool primary;
+
+  const SearchAppBar({
+    Key? key,
+    this.onCallback,
+    this.hintText = "请输入搜索内容",
+    this.showLeading = true,
+    this.backgroundColor = Colors.blue,
+    this.primary = true,
+  }) : super(key: key);
+
+  @override
+  State<SearchAppBar> createState() => _SearchAppBarState();
+
+  @override
+  Size get preferredSize => const Size(double.infinity, 55.0);
+}
+
+class _SearchAppBarState extends State<SearchAppBar> {
+  final searchInfoController = TextEditingController();
+  final searchFocusNode = FocusNode();
+
+  @override
+  Widget build(BuildContext context) {
+    return KeyboardActions(
+      config:
+          KeyBoardUtils.getKeyboardActionsConfig(context, [searchFocusNode]),
+      tapOutsideBehavior: TapOutsideBehavior.opaqueDismiss,
+      child: AppBar(
+        backgroundColor: widget.backgroundColor,
+        titleSpacing: 0.0,
+        primary: widget.primary,
+        leading: widget.showLeading
+            ? InkWell(
+                onTap: () => Get.back(),
+                child: const Icon(Icons.arrow_back_ios, color: Colors.white),
+              )
+            : Container(),
+        leadingWidth: widget.showLeading ? null : 0.0,
+        title: Container(
+          color: Colors.blue,
+          child: Row(
+            children: <Widget>[
+              Expanded(
+                child: Container(
+                  decoration: const BoxDecoration(
+                    borderRadius: BorderRadius.all(Radius.circular(20.0)),
+                    color: Color(0xFFEEEEEE),
+                  ),
+                  child: Row(
+                    children: <Widget>[
+                      hGap10,
+                      Icon(Icons.search, color: Colors.grey.shade300),
+                      hGap5,
+                      Expanded(
+                        child: TextField(
+                          maxLines: 1,
+                          focusNode: searchFocusNode,
+                          style: const TextStyle(fontSize: 14),
+                          textInputAction: TextInputAction.search,
+                          controller: searchInfoController,
+                          onSubmitted: (value) => _search(),
+                          decoration: InputDecoration(
+                            contentPadding: const EdgeInsets.symmetric(
+                                horizontal: 0.0, vertical: 8.0),
+                            isDense: true,
+                            counterText: "",
+                            hintText: widget.hintText,
+                            hintStyle: const TextStyle(
+                                fontSize: 14.0, color: Color(0xFF999999)),
+                            border: InputBorder.none, //去掉下划线
+                            //hintStyle: TextStyles.textGrayC14
+                          ),
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+              InkWell(
+                onTap: () => _search(),
+                child: Container(
+                  width: 60.0,
+                  alignment: Alignment.center,
+                  child: const Text(
+                    "搜索",
+                    style: TextStyle(color: Color(0xFFFFFFFF), fontSize: 14.0),
+                  ),
+                ),
+              )
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  /// 校验
+  bool _checkInfo() {
+    if (isNullOrEmpty(getControllerString(searchInfoController))) {
+      ToastUtil.showToast("请输入搜索内容");
+      return false;
+    }
+    return true;
+  }
+
+  /// 搜索
+  void _search() {
+    if (_checkInfo()) {
+      KeyBoardUtils.hideKeyboard();
+      if (widget.onCallback != null) {
+        widget.onCallback!(getControllerString(searchInfoController));
+      }
+    }
+  }
+}