GMAC接口（5）——LWIP移植

1.LWIP源码下载

官网：https://savannah.nongnu.org/projects/lwip/
版本：lwip-2.2.0
在这里插入图片描述
在这里插入图片描述

2.移植

2.1LWIP目录

在这里插入图片描述

2.1.1.porttable目录

2.1.1.1.cc.h
#ifndef CC_H_
#define CC_H_#define SYS_ARCH_DECL_PROTECT(lev)
#define SYS_ARCH_PROTECT(lev)
#define SYS_ARCH_UNPROTECT(lev)typedef int sys_prot_t;#endif
2.1.1.2.lwipopts.h
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__/* ---------- NO SYS options ---------- */
#define NO_SYS 					1/* ---------- Core locking options ---------- *//* ---------- Memory options ---------- *//* MEM_ALIGNMENT: should be set to the alignment of the CPU for whichlwIP is compiled.4 byte alignment -> define MEM_ALIGNMENT to 4,2 byte alignment -> define MEM_ALIGNMENT to 2.*/
#define MEM_ALIGNMENT 				4/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 					2048/* ---------- Pbuf options ---------- */
///* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE          10///* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE       2048/* ---------- ARP options ---------- */
#define LWIP_ARP                1/* ---------- IP options ---------- */
#define LWIP_IPV4               1/* ---------- ICMP options ---------- */
#define LWIP_ICMP               1/* ---------- RAW options ---------- */
#define LWIP_RAW                0/* ---------- DHCP options ---------- */
#define LWIP_DHCP 				0/*  ---------- IGMP options ----------*/
#define LWIP_IGMP 				0/*---------- DNS options -----------*/
#define LWIP_DNS              	0/* ---------- UDP options ---------- */
#define LWIP_UDP                0/* ---------- TCP options ---------- */
#define LWIP_TCP 				0/* ---------- THREAD options ---------- */
#if !NO_SYS
#define TCPIP_THREAD_PRIO 			3		// ref freertos:[low 0-6 high]
#define TCPIP_THREAD_STACKSIZE 		2048	//	stack size in bytes for the new thread (may be ignored by ports)
#define TCPIP_MBOX_SIZE          	24		//	number of messages in this mbox#define DEFAULT_RAW_RECVMBOX_SIZE	TCPIP_MBOX_SIZE
#define DEFAULT_UDP_RECVMBOX_SIZE	TCPIP_MBOX_SIZE
#define DEFAULT_TCP_RECVMBOX_SIZE	TCPIP_MBOX_SIZE
#define DEFAULT_ACCEPTMBOX_SIZE		TCPIP_MBOX_SIZE
#endif/* ---------- Sequential layer options ---------- */
#define LWIP_NETCONN 			(NO_SYS==0)/* ---------- SOCKET options ---------- */
#define LWIP_SOCKET 			(NO_SYS==0)#define LWIP_SO_RCVTIMEO 		(NO_SYS==0)
#define LWIP_SO_SNDTIMEO 		(NO_SYS==0)/*---------- Statistics options ----------*/
#define LWIP_STATS              0/*---------- Checksum options ----------*//*---------- IPv6 options ----------*//*---------- Hook options ----------*//* ---------- Debugging options ---------- */
#define LWIP_DEBUG    LWIP_DBG_ON
/* ---------- OTHER options ---------- */#if !NO_SYS
#define LWIP_PROVIDE_ERRNO
#endif
#define LWIP_TIMEVAL_PRIVATE 		0/* Self-define data. */
/* LWIP MAC address define. */
#define LWIP_MAC_ADDR                   0x11, 0x22, 0x33, 0x44, 0x55, 0x66
/* LWIP net host name define. */
#define LWIP_NETIF_HOSTNAME             1
#define LWIP_NETIF_HOSTNAME_TEXT        "LwIP_Net"
/* LWIP use IPV4 address. */
#define LWIP_IPV4                       1
/* Ethernet link speed define. */
#define LWIP_LINK_SPEED_IN_BPS          100000000
/* LWIP gateway, IP address and netmask define. */
#define LWIP_INIT_IPADDR(addr)          IP4_ADDR((addr), 192,192,10,40)
#define LWIP_INIT_NETMASK(addr)         IP4_ADDR((addr), 255,255,255,0)
#define LWIP_INIT_GW(addr)              IP4_ADDR((addr), 192,192,10,254)#endif /* __LWIPOPTS_H__ */
2.1.1.3.sys_arch.c
#include "lwip/arch.h"void timer_mdelay(u32_t delay)
{unsigned long count=0;while(count < (delay * 0xffff)){count++;}
}u32_t sys_now(void)
{timer_mdelay(1);return 0;
}
2.1.1.4.ethernetif.c
/*** @file* Ethernet Interface Skeleton**//** Copyright (c) 2001-2004 Swedish Institute of Computer Science.* All rights reserved.** Redistribution and use in source and binary forms, with or without modification,* are permitted provided that the following conditions are met:** 1. Redistributions of source code must retain the above copyright notice,*    this list of conditions and the following disclaimer.* 2. Redistributions in binary form must reproduce the above copyright notice,*    this list of conditions and the following disclaimer in the documentation*    and/or other materials provided with the distribution.* 3. The name of the author may not be used to endorse or promote products*    derived from this software without specific prior written permission.** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY* OF SUCH DAMAGE.** This file is part of the lwIP TCP/IP stack.** Author: Adam Dunkels <adam@sics.se>**//** This file is a skeleton for developing Ethernet network interface* drivers for lwIP. Add code to the low_level functions and do a* search-and-replace for the word "ethernetif" to replace it with* something that better describes your network interface.*/#include "lwip/opt.h"#if 1 /* don't build, this is only a skeleton, see previous comment */#include "lwip/def.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/stats.h"
#include "lwip/snmp.h"
#include "lwip/ethip6.h"
#include "lwip/etharp.h"
#include "netif/ppp/pppoe.h"/* Define those to better describe your network interface. */
#define IFNAME0 'e'
#define IFNAME1 'n'
struct netif gnetif;/*** Helper struct to hold private data used to operate your ethernet interface.* Keeping the ethernet address of the MAC in this struct is not necessary* as it is already kept in the struct netif.* But this is only an example, anyway...*/
struct ethernetif {struct eth_addr *ethaddr;/* Add whatever per-interface state that is needed here. */
};/* Forward declarations. */
static void  ethernetif_input(struct netif *netif);/*** In this function, the hardware should be initialized.* Called from ethernetif_init().** @param netif the already initialized lwip network interface structure*        for this ethernetif*/
static void
low_level_init(struct netif *netif)
{struct ethernetif *ethernetif = netif->state;/* set MAC hardware address length */netif->hwaddr_len = ETHARP_HWADDR_LEN;/* set MAC hardware address */netif->hwaddr[0] = 0x11;netif->hwaddr[1] = 0x22;netif->hwaddr[2] = 0x33;netif->hwaddr[3] = 0x44;netif->hwaddr[4] = 0x55;netif->hwaddr[5] = 0x66;/* maximum transfer unit */netif->mtu = 1500;/* device capabilities *//* don't set NETIF_FLAG_ETHARP if this device is not an ethernet one */netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP;#if LWIP_IPV6 && LWIP_IPV6_MLD/** For hardware/netifs that implement MAC filtering.* All-nodes link-local is handled by default, so we must let the hardware know* to allow multicast packets in.* Should set mld_mac_filter previously. */if (netif->mld_mac_filter != NULL) {ip6_addr_t ip6_allnodes_ll;ip6_addr_set_allnodes_linklocal(&ip6_allnodes_ll);netif->mld_mac_filter(netif, &ip6_allnodes_ll, NETIF_ADD_MAC_FILTER);}
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD *//* Do whatever else is needed to initialize interface. */
}void send_data_from(u32_t *payload, u16_t len)
{pg_gmac_send_one_frame_data(payload, len);
}void read_data_into(void *payload, u16_t len)
{pg_gmac_receive_one_frame_data(payload, len);
}/*** This function should do the actual transmission of the packet. The packet is* contained in the pbuf that is passed to the function. This pbuf* might be chained.** @param netif the lwip network interface structure for this ethernetif* @param p the MAC packet to send (e.g. IP packet including MAC addresses and type)* @return ERR_OK if the packet could be sent*         an err_t value if the packet couldn't be sent** @note Returning ERR_MEM here if a DMA queue of your MAC is full can lead to*       strange results. You might consider waiting for space in the DMA queue*       to become available since the stack doesn't retry to send a packet*       dropped because of memory failure (except for the TCP timers).*/static err_t
low_level_output(struct netif *netif, struct pbuf *p)
{struct ethernetif *ethernetif = netif->state;struct pbuf *q;//initiate_transfer();#if ETH_PAD_SIZEpbuf_remove_header(p, ETH_PAD_SIZE); /* drop the padding word */
#endiffor (q = p; q != NULL; q = q->next) {/* Send the data from the pbuf to the interface, one pbuf at atime. The size of the data in each pbuf is kept in the ->lenvariable. */send_data_from(q->payload, q->len);}//signal that packet should be sent();MIB2_STATS_NETIF_ADD(netif, ifoutoctets, p->tot_len);if (((u8_t *)p->payload)[0] & 1) {/* broadcast or multicast packet*/MIB2_STATS_NETIF_INC(netif, ifoutnucastpkts);} else {/* unicast packet */MIB2_STATS_NETIF_INC(netif, ifoutucastpkts);}/* increase ifoutdiscards or ifouterrors on error */#if ETH_PAD_SIZEpbuf_add_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endifLINK_STATS_INC(link.xmit);return ERR_OK;
}/*** Should allocate a pbuf and transfer the bytes of the incoming* packet from the interface into the pbuf.** @param netif the lwip network interface structure for this ethernetif* @return a pbuf filled with the received packet (including MAC header)*         NULL on memory error*/
static struct pbuf *
low_level_input(struct netif *netif)
{struct ethernetif *ethernetif = netif->state;struct pbuf *p, *q;u16_t len;/* Obtain the size of the packet and put it into the "len"variable. */len = 2048;#if ETH_PAD_SIZElen += ETH_PAD_SIZE; /* allow room for Ethernet padding */
#endif/* We allocate a pbuf chain of pbufs from the pool. */p = pbuf_alloc(PBUF_RAW, len, PBUF_POOL);if (p != NULL) {#if ETH_PAD_SIZEpbuf_remove_header(p, ETH_PAD_SIZE); /* drop the padding word */
#endif/* We iterate over the pbuf chain until we have read the entire* packet into the pbuf. */for (q = p; q != NULL; q = q->next) {/* Read enough bytes to fill this pbuf in the chain. The* available data in the pbuf is given by the q->len* variable.* This does not necessarily have to be a memcpy, you can also preallocate* pbufs for a DMA-enabled MAC and after receiving truncate it to the* actually received size. In this case, ensure the tot_len member of the* pbuf is the sum of the chained pbuf len members.*/read_data_into(q->payload, q->len);}//acknowledge that packet has been read();MIB2_STATS_NETIF_ADD(netif, ifinoctets, p->tot_len);if (((u8_t *)p->payload)[0] & 1) {/* broadcast or multicast packet*/MIB2_STATS_NETIF_INC(netif, ifinnucastpkts);} else {/* unicast packet*/MIB2_STATS_NETIF_INC(netif, ifinucastpkts);}
#if ETH_PAD_SIZEpbuf_add_header(p, ETH_PAD_SIZE); /* reclaim the padding word */
#endifLINK_STATS_INC(link.recv);} else {//drop packet();LINK_STATS_INC(link.memerr);LINK_STATS_INC(link.drop);MIB2_STATS_NETIF_INC(netif, ifindiscards);}return p;
}/*** This function should be called when a packet is ready to be read* from the interface. It uses the function low_level_input() that* should handle the actual reception of bytes from the network* interface. Then the type of the received packet is determined and* the appropriate input function is called.** @param netif the lwip network interface structure for this ethernetif*/
static void
ethernetif_input(struct netif *netif)
{struct ethernetif *ethernetif;struct eth_hdr *ethhdr;struct pbuf *p;ethernetif = netif->state;/* move received packet into a new pbuf */p = low_level_input(netif);/* if no packet could be read, silently ignore this */if (p != NULL) {/* pass all packets to ethernet_input, which decides what packets it supports */if (netif->input(p, netif) != ERR_OK) {LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));pbuf_free(p);p = NULL;}}}/*** Should be called at the beginning of the program to set up the* network interface. It calls the function low_level_init() to do the* actual setup of the hardware.** This function should be passed as a parameter to netif_add().** @param netif the lwip network interface structure for this ethernetif* @return ERR_OK if the loopif is initialized*         ERR_MEM if private data couldn't be allocated*         any other err_t on error*/
err_t
ethernetif_init(struct netif *netif)
{struct ethernetif *ethernetif;LWIP_ASSERT("netif != NULL", (netif != NULL));//  ethernetif = mem_malloc(sizeof(struct ethernetif));
//  if (ethernetif == NULL) {
//    LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_init: out of memory\n"));
//    return ERR_MEM;
//  }#if LWIP_NETIF_HOSTNAME/* Initialize interface hostname */netif->hostname = "lwip";
#endif /* LWIP_NETIF_HOSTNAME *//** Initialize the snmp variables and counters inside the struct netif.* The last argument should be replaced with your link speed, in units* of bits per second.*/MIB2_INIT_NETIF(netif, snmp_ifType_ethernet_csmacd, LINK_SPEED_OF_YOUR_NETIF_IN_BPS);netif->state = ethernetif;netif->name[0] = IFNAME0;netif->name[1] = IFNAME1;/* We directly use etharp_output() here to save a function call.* You can instead declare your own function an call etharp_output()* from it if you have to do some checks before sending (e.g. if link* is available...) */
#if LWIP_IPV4netif->output = etharp_output;
#endif /* LWIP_IPV4 */
#if LWIP_IPV6netif->output_ip6 = ethip6_output;
#endif /* LWIP_IPV6 */netif->linkoutput = low_level_output;//ethernetif->ethaddr = (struct eth_addr *) & (netif->hwaddr[0]);/* initialize the hardware */low_level_init(netif);return ERR_OK;
}void lwips_init(void)
{
#if LWIP_IPV4ip4_addr_t ipaddr, netmask, gw;
#if (!LWIP_DHCP) && (!LWIP_AUTOIP)LWIP_INIT_GW(&gw);LWIP_INIT_IPADDR(&ipaddr);LWIP_INIT_NETMASK(&netmask);
#endif /* (!LWIP_DHCP) && (!LWIP_AUTOIP) */
#endif /* LWIP_IPV4 *//* LwIP service init process. */lwip_init();/* Config netif layer parameters. */netif_set_default(netif_add(&gnetif, &ipaddr, &netmask, &gw, NULL, ethernetif_init, netif_input));/* Check to set netif up flag. */if (netif_is_link_up(&gnetif)){/* If netif link is fully configured, this function must be called. */netif_set_up(&gnetif);}else{/* If netif link is down, this function must be called. */netif_set_down(&gnetif);}
}void LwIPTestProcess(void)
{/* Ethernet data receiving process. */ethernetif_input(&gnetif);/* Check LwIP timeout event. */sys_check_timeouts();
}#endif /* 0 */

2.1.2.src目录

1.新建src目录
将lwip-2.2.0源码下的src目录下文件全部复制到src目录下。

2.2.数据收发底层实现

2.2.1.接收数据

略

2.2.2.发送数据

略

2.3.main.c

int main(void)
{gmac_init();//gmac控制器初始化——reset、gate、clock、sycctrl、mio、mac等phy_init();//phy初始化——speed、duplex、auto-negotiation、loopback等lwips_init();while(1) {LwIPTestProcess();}
}

本文来自互联网用户投稿，该文观点仅代表作者本人，不代表本站立场。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如若转载，请注明出处：http://www.mzph.cn/news/88490.shtml

如若内容造成侵权/违法违规/事实不符，请联系多彩编程网进行投诉反馈email:809451989@qq.com，一经查实，立即删除！

相关文章

面试必杀技：Jmeter性能测试攻略大全（第三弹）（脚本开发）

面试必杀技：Jmeter性能测试攻略大全（第三弹）（脚本开发）

今天是最后一章哦&#xff0c;主要是讲jmeter性能测试脚本相关的。原创不易&#xff0c;点个赞意思一下呗&#xff01; 一. 脚本开发方式大纲 1、badboy进行录制和导出 badboy下载地址: 链接&#xff1a;https://pan.baidu.com/s/18Po3RssrBRSnn_-xsHop1g 提取码&#xff1…
阅读更多...
Linux计划任务

Linux计划任务

at 参数 日期时间&#xff1a;指定任务执行的日期时间。 在指定时间执行一个任务 -f&#xff1a;指定包含具体指令的任务文件&#xff1b; -q&#xff1a;指定新任务的队列名称&#xff1b; -l&#xff1a;显示待执行任务的列表&#xff1b; -d&#xff1a;删除指定的待执行…
阅读更多...
Simulink 封装

Simulink 封装

快捷键&#xff1a; Edit Mask&#xff1a;CtrlM Look Under Mask&#xff1a;CtrlU 封装之后的模型&#xff1a; Edit Mask界面&#xff1a; 双击模块后的提示界面&#xff1a; 封装的模块内部&#xff1a;
阅读更多...
【响应式布局】

【响应式布局】

响应式布局 1 什么是响应式布局2 响应式布局的5种实现方案2.1 百分比布局2.2 媒体查询布局2.3 rem响应式布局2.4 vw / vh响应式布局2.5 flex弹性布局 1 什么是响应式布局 响应式布局就是一个网站能够兼容多个终端——而不是为每个终端做一个特定的版本。这个概念是为解决移动互…
阅读更多...
完全背包 动态规划 + 一维dp数组

完全背包 动态规划 + 一维dp数组

动态规划&#xff1a;完全背包理论基础 每件商品都有无限个&#xff01;&#xff01;&#xff01; &#xff08;1&#xff09;0-1背包的核心代码 解决0-1背包问题&#xff08;方案二&#xff09;&#xff1a;一维dp数组&#xff08;滚动数组&#xff09;_呵呵哒(&#xffe3;…
阅读更多...
【.net core】使用nssm发布WEB项目

【.net core】使用nssm发布WEB项目

nssm下载地址&#xff1a;NSSM - the Non-Sucking Service Manager 配置方式 修改服务在nssm工具下输入命令:nssm edit jntyjr 其中 jntyjr为添加服务时设置的Service name nssm可以设置任何以参数启动的应用程序以服务形式启动,通过设置参数内容启动服务 以上配置等同于执行…
阅读更多...
14：00面试，14：06就出来了，这问的谁顶得住啊

14：00面试，14：06就出来了，这问的谁顶得住啊

从小厂出来&#xff0c;没想到在另一家公司又寄了。 到这家公司开始上班&#xff0c;加班是每天必不可少的&#xff0c;看在钱给的比较多的份上&#xff0c;就不太计较了。没想到8月一纸通知&#xff0c;所有人不准加班&#xff0c;加班费不仅没有了&#xff0c;薪资还要降40%,…
阅读更多...
在比特币上使用可检索性证明支付存储费用

在比特币上使用可检索性证明支付存储费用

我们为用户开发了一种为云存储付费的新方法。 与亚马逊的 S3 等传统云存储相比&#xff0c;用户不必信任服务器。 我们使用比特币智能合约来确保支付取决于服务器的可检索性证明 (PoR)&#xff0c;该证明只能在数据仍然可用且需要时可以检索的情况下生成。 可检索性证明 (PoR)…
阅读更多...
国际播客日 · 森海塞尔精选播客设备满足各类音频需求

国际播客日 · 森海塞尔精选播客设备满足各类音频需求

森海塞尔精选播客设备 为庆祝今年的国际播客日,森海塞尔带来一系列适合各类需求和预算的出色音频解决方案 9月30日被定为国际播客日,至今已有九年的时间了。作为庆祝播客力量的全球性节日,国际播客日备受播客听众和创作者喜爱。播客的选择琳琅满目,从真实犯罪案件、阴谋论和名…
阅读更多...
如何办一份有价值的企业内刊/报纸？向《华为人》学习就够了

如何办一份有价值的企业内刊/报纸？向《华为人》学习就够了

前两天有一个朋友联系华研荟&#xff0c;说他是今年大学毕业加入了一个中型公司&#xff0c;他学的是企业管理&#xff0c;在公司人力资源部门工作。上周老板说公司要办一份自己的内刊&#xff0c;这个工作由人力资源部负责&#xff0c;而人力资源经理就把这个活交给她了。 她…
阅读更多...
springcloud：三、ribbon负载均衡原理+调整策略+饥饿加载

springcloud：三、ribbon负载均衡原理+调整策略+饥饿加载

Ribbon负载均衡原理 调整Ribbon负载均衡策略 第一种会对order-service里所有的服务消费者都采用该新规则 第二种会针对order-service里某个具体的服务消费者采用该新规则 饥饿加载
阅读更多...
混淆技术研究笔记（一）常见工具介绍

混淆技术研究笔记（一）常见工具介绍

混淆技术研究笔记包含多篇内容&#xff0c;记录了一次混淆的研究和应用的过程。 本文首发于 CSDN&#xff0c;随后会发布在 MyBatis 微信公众号&#xff0c;通过公众号可以免费阅读。 最近有一个 Java 的底层框架需要进行混淆&#xff08;从原始的 Java 项目改造为了 Maven 多模…
阅读更多...
logback.xml springboot 项目通用logback配置,粘贴即用,按日期生成

logback.xml springboot 项目通用logback配置,粘贴即用,按日期生成

<configuration scan"false" scanPeriod"10 seconds"><!-- 定义日志存放的根目录 --><property name"log.dir" value"./logs" /><!-- 彩色日志依赖的渲染类 --><conversionRule conversionWord"clr&q…
阅读更多...
究竟是什么样的讲解二分查找算法的博客让我写了三小时？？？

究竟是什么样的讲解二分查找算法的博客让我写了三小时？？？

版本说明 当前版本号[20230926]。 版本修改说明20230926初版 目录 文章目录 版本说明目录二分查找基础版算法描述分步演示情况一&#xff1a;能在有序数组找到待查值情况二&#xff1a;不能在有序数组找到待查值 翻译成代码基础版代码&#xff08;包括测试类&#xff09;疑惑…
阅读更多...
分布式微服务架构中的关键技术解析

分布式微服务架构中的关键技术解析

分布式微服务架构是构建现代应用的理想选择&#xff0c;它将复杂系统拆分成小而自治的服务&#xff0c;每个服务都能独立开发、测试和部署。在实际的开发过程中&#xff0c;如何实现高效的分布式微服务架构呢&#xff1f;下面笔者根据自己多年的实战经验&#xff0c;浅谈实战过…
阅读更多...
【微信小程序】全局配置

【微信小程序】全局配置

1.全局配置文件及常用的配置项 Window 1&#xff09;小程序窗口的组成部分 2&#xff09;window结点常用的配置项 3&#xff09;设置导航栏的标题 4&#xff09;设置导航栏的背景色 这个颜色仅支持“#”开头的十六进制颜色&#xff0c;不能直接使用如&#xff1a;red&#x…
阅读更多...
暗猝灭剂BHQ-1 NHS，916753-61-2，BHQ-1 SE

暗猝灭剂BHQ-1 NHS，916753-61-2，BHQ-1 SE

产品简介&#xff1a;黑洞猝灭剂-1&#xff08;BHQ-1&#xff09;被归类为暗猝灭剂&#xff08;一种非荧光发色团&#xff09;&#xff0c;被广泛用作各种荧光共振、能量转移&#xff08;FRET&#xff09;和DNA检测探针中&#xff0c;此类探针主要用于核酸分析及核酸结构研究。…
阅读更多...
酒店预订小程序制作详细步骤解析

酒店预订小程序制作详细步骤解析

" 随着移动设备的普及和互联网技术的不断发展&#xff0c;小程序成为了一个备受关注的应用领域。特别是在酒店预订行业&#xff0c;小程序可以为酒店带来更多的客源和方便快捷的预订服务。下面是酒店预订小程序的制作详细步骤解析。 第一步&#xff1a;注册登录【乔拓云】…
阅读更多...
Vue+ElementUI实现动态树和表格数据的查询

Vue+ElementUI实现动态树和表格数据的查询

目录 前言 一、动态树的实现 1.数据表 2.编写后端controller层 3.定义前端发送请求路径 4.前端左侧动态树的编写 4.1.发送请求获取数据 4.2.遍历左侧菜单 5.实现左侧菜单点击展示右边内容 5.1.定义组件 5.2.定义组件与路由的对应关系 5.3.渲染组件内容 5.4.通过动态…
阅读更多...
RIP路由

RIP路由

目录 RIP路由 1、什么是RIP路由 2、RIP的工作原理是什么 3、RIP v1 和 RIP v2的区别 4、RIP的常用场景 5、RIP的通信流程 6、RIP的优缺点 优点&#xff1a; 缺点&#xff1a; 7、扩展部分 1.RIP路由的作用与应用场景 2.与其他路由协议的区别 3.RIP路由协议的工作原…
阅读更多...
推荐文章
最新文章

Copyright @ 2022~2023