file-type

微信小程序input选中内容组件check_all_input功能介绍

下载需积分: 50 | 1KB | 更新于2025-01-05 | 48 浏览量 | 43 下载量 举报 收藏
download 立即下载
知识点一:微信小程序概念 微信小程序是一种不需要下载安装即可使用的应用,它实现了应用“触手可及”的梦想,用户扫一扫或搜索一下即可打开应用。小程序具备应用的完整功能,但它的开发过程与传统的手机应用程序有所不同,它基于微信运行,使用微信的API进行开发。 知识点二:微信小程序组件 微信小程序的开发中使用组件来构建页面结构,组件是小程序的基础构成单元,类似 HTML 中的标签。组件封装了特定的功能,例如视图容器、基础内容、表单组件等。开发人员可以像使用 HTML 标签一样使用这些组件,并且可以自定义组件来满足更复杂的页面需求。 知识点三:input组件 input组件是表单组件的一种,用于在小程序中创建输入框,供用户输入内容。它支持不同类型的输入,包括文本、数字、日期等。开发者可以使用input组件的各种属性和事件来控制输入行为和处理输入数据。例如,可以设置 placeholder 属性来显示提示文本,或者使用 bindinput 事件来监听用户的输入。 知识点四:input选中内容功能 在微信小程序中,input选中内容通常意味着能够高亮并选择输入框中的文本。对于开发者来说,这涉及到设置input组件的属性或使用微信小程序提供的接口,允许用户手动选择文本或在代码中实现选中逻辑。这项功能对于编辑器类型的输入框尤其重要,它可以提升用户的交互体验。 知识点五:check_all_input组件代码 check_all_input组件代码是针对微信小程序input组件的扩展或封装,旨在实现input框内文本的自由选中功能。这可能包含对input组件属性的特殊配置,以及对触摸事件和选中事件的处理逻辑。开发者通过阅读和理解这些代码,可以实现让用户的选中操作更为流畅和自定义。 知识点六:使用示例及文档链接 在提供的描述中,给出了相关的文章链接,该文章详细介绍了check_all_input组件的使用方法和可能遇到的问题。通过阅读此文章,开发者能够获得check_all_input组件的具体应用示例、相关API调用及应用效果。这是学习如何在实际项目中应用check_all_input组件和解决相关问题的重要资源。 知识点七:文件名称和版本号 该压缩包文件名为"check_all_input_v1.1.zip",表明这是一个版本号为1.1的文件包。版本号通常用来标识软件的更新和迭代,帮助用户识别和选择自己所需的软件版本。对于开发者而言,了解版本号能够帮助他们确定是否下载了最新版本的组件,以便在开发中使用最新功能和性能改进。 总结以上内容,check_all_input_v1.1.zip文件包含了专门针对微信小程序input组件的代码,旨在增加input框内文本的自由选中功能。这个功能对改善用户的交互体验尤其重要,尤其是需要用户对内容进行编辑和选择的场景。通过理解和应用check_all_input组件,开发者能够更好地满足小程序用户对于输入体验的需求。同时,通过参考相关文章,开发者可以掌握如何在实际开发中使用这一组件,进一步提升小程序的功能性和易用性。

相关推荐

filetype
bpi_a64_android初步编译为LCD显示20170309_1442.7z banana pi a64 android6.0.1初步编译为LCD显示。初步设置。 bpi_a64_android的编译配置文件排版.txt 2017/3/9 14:33 0、压缩包的处理: rootroot@cm-System-Product-Name:/home/wwt/a64$ tar zxvf BPI-A64-Android_SourceCode.tar.gz 增加3个编译链 Notice: Please download this file to the correct path https://drive.google.com/open?id=0B_YnvHgh2rwjaVRrc2VoR0xLTlE (1)gcc-linaro-aarch64.tar.xz ==> /lichee/buildroot/dl (2)gcc-linaro-aarch64.tar.xz ==> /lichee/brandy/toolchain (3)gcc-linaro-arm.tar.xz ==> /lichee/brandy/toolchain 重新分块压缩: rootroot@cm-System-Product-Name:/home/wwt/a64$ tar zcvf - bpi_a64_android/ | split -b 3900000000 - bpi_a64_android_wyb_patch1.tar.gz 1、编译lichee内核 rootroot@cm-System-Product-Name:/home/wwt/a64$ rootroot@cm-System-Product-Name:/home/wwt/a64$ cd bpi_a64_android/ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android$ cd lichee/ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ ./build.sh config Welcome to mkscript setup progress All available chips: 0. sun50iw1p1 Choice: 0 All available platforms: 0. android 1. dragonboard 2. linux 3. camdroid 4. secureandroid Choice: 0 All available kernel: 0. linux-3.10 1. linux-3.4 Choice: 0 All available boards: 0. bpi-m64-hdmi 1. bpi-m64-lcd Choice: 1 rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ ./build.sh Copy boot.img to output directory ... Copy modules to target ... sun50iw1p1 compile Kernel successful INFO: build kernel OK. INFO: build rootfs ... INFO: skip make rootfs for android INFO: build rootfs OK. INFO: ---------------------------------------- INFO: build lichee OK. INFO: ---------------------------------------- rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ 2、编译Android rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ cd ../android/ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ source build/envsetup.sh including device/asus/deb/vendorsetup.sh including device/asus/flo/vendorsetup.sh including device/asus/fugu/vendorsetup.sh including device/generic/mini-emulator-arm64/vendorsetup.sh including device/generic/mini-emulator-armv7-a-neon/vendorsetup.sh including device/generic/mini-emulator-mips/vendorsetup.sh including device/generic/mini-emulator-x86_64/vendorsetup.sh including device/generic/mini-emulator-x86/vendorsetup.sh including device/htc/flounder/vendorsetup.sh including device/lge/hammerhead/vendorsetup.sh including device/moto/shamu/vendorsetup.sh including device/softwinner/bpi-m64-hdmi/vendorsetup.sh including device/softwinner/bpi-m64-lcd/vendorsetup.sh including device/softwinner/common/vendorsetup.sh including sdk/bash_completion/adb.bash rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ lunch You're building on Linux Lunch menu... pick a combo: 1. aosp_arm-eng 2. aosp_arm64-eng 3. aosp_mips-eng 4. aosp_mips64-eng 5. aosp_x86-eng 6. aosp_x86_64-eng 7. aosp_deb-userdebug 8. aosp_flo-userdebug 9. full_fugu-userdebug 10. aosp_fugu-userdebug 11. mini_emulator_arm64-userdebug 12. m_e_arm-userdebug 13. mini_emulator_mips-userdebug 14. mini_emulator_x86_64-userdebug 15. mini_emulator_x86-userdebug 16. aosp_flounder-userdebug 17. aosp_hammerhead-userdebug 18. aosp_hammerhead_fp-userdebug 19. aosp_shamu-userdebug 20. bpi_m64_hdmi-eng 21. bpi_m64_hdmi-user 22. bpi_m64_hdmi-userdebug 23. bpi_m64_lcd-eng 24. bpi_m64_lcd-user 25. bpi_m64_lcd-userdebug Which would you like? [aosp_arm-eng] 23 ============================================ PLATFORM_VERSION_CODENAME=REL PLATFORM_VERSION=6.0.1 TARGET_PRODUCT=bpi_m64_lcd TARGET_BUILD_VARIANT=eng TARGET_BUILD_TYPE=release TARGET_BUILD_APPS= TARGET_ARCH=arm64 TARGET_ARCH_VARIANT=armv8-a TARGET_CPU_VARIANT=generic TARGET_2ND_ARCH=arm TARGET_2ND_ARCH_VARIANT=armv7-a-neon TARGET_2ND_CPU_VARIANT=cortex-a15 HOST_ARCH=x86_64 HOST_OS=linux HOST_OS_EXTRA=Linux-3.13.0-24-generic-x86_64-with-Ubuntu-14.04-trusty HOST_BUILD_TYPE=release BUILD_ID=MMB29M OUT_DIR=out ============================================ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ extract-bsp /home/wwt/a64/bpi_a64_android/android/device/softwinner/bpi-m64-lcd/bImage copied! /home/wwt/a64/bpi_a64_android/android/device/softwinner/bpi-m64-lcd/modules copied! rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ make -j12 Creating filesystem with parameters: Size: 2147483648 Block size: 4096 Blocks per group: 32768 Inodes per group: 8192 Inode size: 256 Journal blocks: 8192 Label: system Blocks: 524288 Block groups: 16 Reserved block group size: 127 Created filesystem with 2422/131072 inodes and 260574/524288 blocks Install system fs image: out/target/product/bpi-m64-lcd/system.img out/target/product/bpi-m64-lcd/system.img+out/target/product/bpi-m64-lcd/obj/PACKAGING/recovery_patch_intermediates/recovery_from_boot.p maxsize=2192446080 blocksize=4224 total=1034077436 reserve=22146432 #### make completed successfully (57:57 (mm:ss)) #### rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ 3、打包img镜像 rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ pack -d /home/wwt/a64/bpi_a64_android/lichee/tools/pack/sun50iw1p1_android_bpi-m64-lcd_card0.img pack finish rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ pack /home/wwt/a64/bpi_a64_android/lichee/tools/pack/sun50iw1p1_android_bpi-m64-lcd_uart0.img pack finish rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/android$ 4、编译uboot(可选) rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/brandy$ ./build.sh -p sun50iw1p1 CC external/openssl_ext.c ... make -C /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/spl/ CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/ss_spl.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/spc_spl.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/smc_spl.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/gic_spl.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/debug.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/ctype.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/eabi_compat.c ... CC /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/spl/efuse_spl.c ... make -C /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/spl/lib/ make[3]: 没有什么可以做的为 `all'。 /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/../gcc-linaro/bin/arm-linux-gnueabi-gcc -E -include /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/include/u-boot/u-boot.lds.h -DSBROMSWADDR="(0x10480)" -ansi -D__ASSEMBLY__ -P - </home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/main/sboot.lds >/home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/sboot.lds /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/../gcc-linaro/bin/arm-linux-gnueabi-ld /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/dram/libchipid.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/dram/libdram.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/mmc/libmmc.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/arch/arm/cpu/armv7/sun50iw1p1/nand/libnand.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/flash/libflash.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/libs/libgeneric.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/load/libload.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/main/libmain.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/openssl/libopenssl.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/spl/libsource_spl.o /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/spl/lib/libgeneric.o -L /home/wwt/a64/bpi_a64_android/lichee/brandy/gcc-linaro/bin/../lib/gcc/arm-linux-gnueabi/4.6.3 -lgcc -T/home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/sboot.lds -o sboot.axf -Map sboot.map /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/../gcc-linaro/bin/arm-linux-gnueabi-objcopy -O binary /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/sboot.axf /home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/sunxi_spl/sbrom/sboot.bin "sboot_sun50iw1p1.bin" -> "/home/wwt/a64/bpi_a64_android/lichee/brandy/u-boot-2014.07/../../tools/pack/chips/sun50iw1p1/bin/sboot_sun50iw1p1.bin" rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/brandy$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/brandy$ 5、配置menuconfig(裁剪内核) rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ ./build.sh config Welcome to mkscript setup progress All available chips: 0. sun50iw1p1 Choice: 0 All available platforms: 0. android 1. dragonboard 2. linux 3. camdroid 4. secureandroid Choice: 0 All available kernel: 0. linux-3.10 1. linux-3.4 Choice: 0 All available boards: 0. bpi-m64-hdmi 1. bpi-m64-lcd Choice: 1 rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee$ cd linux-3.10/ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/linux-3.10$ cp .config bak1_orig.config rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/linux-3.10$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/linux-3.10$ rootroot@cm-System-Product-Name:/home/wwt/a64/bpi_a64_android/lichee/linux-3.10$ make ARCH=arm64 menuconfig (1)改大打印缓存 General setup ---> (17) Kernel log buffer size (16 => 64KB, 17 => 128KB) 修改为: (18) Kernel log buffer size (16 => 64KB, 17 => 128KB) (2)只保留博通/正基的WIFI/BT:AP6212等 Device Drivers ---> [*] Network device support ---> [*] Wireless LAN ---> <M> Broadcom FullMAC wireless cards support (/system/vendor/modules/fw_bcmdhd.bin) Firmware path (/system/vendor/modules/nvram.txt) NVRAM path Enable Chip Interface (SDIO bus interface support) ---> Interrupt type (Out-of-Band Interrupt) ---> <M> Realtek 8723B SDIO or SPI WiFi <M> Realtek 8723BS_VQ0 WiFi <M> Realtek 8189F SDIO WiFi 修改为: < > Realtek 8723B SDIO or SPI WiFi < > Realtek 8723BS_VQ0 WiFi < > Realtek 8189F SDIO WiFi (3)关闭SELinux安全内核方便调试 Security options ---> [*] NSA SELinux Support [*] NSA SELinux boot parameter (1) NSA SELinux boot parameter default value [ ] NSA SELinux runtime disable [*] NSA SELinux Development Support [*] NSA SELinux AVC Statistics (1) NSA SELinux checkreqprot default value [ ] NSA SELinux maximum supported policy format version 修改为: [ ] NSA SELinux Support (4)在内核中增加USB摄像头/打开UVC的驱动 Device Drivers ---> <*> Multimedia support ---> [ ] Media USB Adapters ---> 修改为: [*] Media USB Adapters ---> --- Media USB Adapters *** Webcam devices *** < > USB Video Class (UVC) 修改为: <M> USB Video Class (UVC) [*] UVC input events device support (NEW)