【烟网源码】【维盟固件源码】【庄家进场痕迹源码】iapplied源码-皮皮网

【烟网源码】【维盟固件源码】【庄家进场痕迹源码】iapplied源码

时间：2024-11-19 09:30:42 分类：娱乐来源：python库pyemd源码

1.菜鸟怎么样学习C语言
2.des算法源代码
3.Ubuntu 9.10ä¸å®è£åä½¿ç¨ffmpegçè¯¦ç»è¿ç¨ï¼
4.C#用datagriview控件增加删除行数据，源码并且更新到xml中，源码求代码（急）如图

iapplied源码

菜鸟怎么样学习C语言

1、源码学习C语言，源码要从入门到精通，源码需要读哪些书（从简单的源码烟网源码到难的排序，越详细越好，源码最好都能注释下选择这本书的源码理由）？

入门阶段：还是老谭那本。

理由：虽然不能说它写得有多好，源码但是源码你现在要做的是入门，要快速的源码掌握c的基本语法，这本书很好理解，源码能够让你在最短的源码时间内大致掌握这门语言的概更。

第二阶段：《c程序设计语言》(The源码 C Programming Language)和《C语言解惑》(The C puzzle book)

理由：《the c programming language》号称c语言圣经。其实它也只是源码一本介绍基础语法的书，不做入门教程是因为对于初学者来说，它难度稍大，维盟固件源码之所以推荐，是因为它能让你---系统而严密的---把C语言知识构架整理一遍。《c语言解惑》，系统的整理了c语法中容易让你产生迷惑或容易犯错的地方(如a+++++b等)，这时候你才算真正开始学习c语言了.（以上两本现在出重印了,应该在书店可以买到）

第三阶段：《C陷阱与缺陷》(C Traps and Pitfalls)和《高质量c/c++编程指南》

理由：《c陷阱与缺陷》是让对c的理解有质变得一本书，如如何理解(*(void(*)())0)()等问题，我的感觉是看完这本书让我真正从小菜鸟变成了老菜鸟。《高质量...》，庄家进场痕迹源码终于有一本国产的了，呵呵，我认为这本书是把你从土匪变成正规军的最好指南，该书涉及编程风格、效率、重载、健壮性等一些列之前很难注意的问题。(以上两本《c陷阱...》已绝版，征途任务辅助源码不过网上可以下载到中英文版，《高质量...》本身就是网络书，很容易找到)

其它推荐书：《c专家编程》《c和指针》

说实话这两本书我并没有看过（或看完），但有口皆碑，都是经典之作，不过都已经绝版，仔细找找网上有下载的。

2、商务平台源码有哪些好的C语言练习（越难的越好）？

对语言本身的练习其实就是你对它的理解，用得多了，注意得多了，自然就ok了。其它思维上的练习主要是算法和数据结构方面的，严老的《数据结构题集（C语言版）》如果你能做完就相当了不起了。

3、要学精C语言，还要具备哪些条件？

其实c语言也只是一个工具而已，就像锄头一样，你每天挖地锄田自然就精通它了。只要不是白痴，应该都没有问题。

4、C语言学完后接下去要学哪些语言好？

这个我就没有资格回答了，因为除了少量汇编和c++，我大部分只用到了c,不过也许是一脉相承的c++吧。c是面向过程的语言，学习c++面向对象的思想。

5、各位网友如果在学习计算机语言方面还有一些独到的见解，欢迎提出!

不是我提出的，不过真的很经典——“天下程序一大抄”,呵呵。

des算法源代码

des.h文件：

#ifndef CRYPTOPP_DES_H

#define CRYPTOPP_DES_H

#include "cryptlib.h"

#include "misc.h"

NAMESPACE_BEGIN(CryptoPP)

class DES : public BlockTransformation

{

public:

DES(const byte *userKey, CipherDir);

void ProcessBlock(const byte *inBlock, byte * outBlock) const;

void ProcessBlock(byte * inoutBlock) const

{ DES::ProcessBlock(inoutBlock, inoutBlock);}

enum { KEYLENGTH=8, BLOCKSIZE=8};

unsigned int BlockSize() const { return BLOCKSIZE;}

protected:

static const word Spbox[8][];

SecBlock<word> k;

};

class DESEncryption : public DES

{

public:

DESEncryption(const byte * userKey)

: DES (userKey, ENCRYPTION) { }

};

class DESDecryption : public DES

{

public:

DESDecryption(const byte * userKey)

: DES (userKey, DECRYPTION) { }

};

class DES_EDE_Encryption : public BlockTransformation

{

public:

DES_EDE_Encryption(const byte * userKey)

: e(userKey, ENCRYPTION), d(userKey + DES::KEYLENGTH, DECRYPTION) { }

void ProcessBlock(const byte *inBlock, byte * outBlock) const;

void ProcessBlock(byte * inoutBlock) const;

enum { KEYLENGTH=, BLOCKSIZE=8};

unsigned int BlockSize() const { return BLOCKSIZE;}

private:

DES e, d;

};

class DES_EDE_Decryption : public BlockTransformation

{

public:

DES_EDE_Decryption(const byte * userKey)

: d(userKey, DECRYPTION), e(userKey + DES::KEYLENGTH, ENCRYPTION) { }

void ProcessBlock(const byte *inBlock, byte * outBlock) const;

void ProcessBlock(byte * inoutBlock) const;

enum { KEYLENGTH=, BLOCKSIZE=8};

unsigned int BlockSize() const { return BLOCKSIZE;}

private:

DES d, e;

};

class TripleDES_Encryption : public BlockTransformation

{

public:

TripleDES_Encryption(const byte * userKey)

: e1(userKey, ENCRYPTION), d(userKey + DES::KEYLENGTH, DECRYPTION),

e2(userKey + 2*DES::KEYLENGTH, ENCRYPTION) { }

void ProcessBlock(const byte *inBlock, byte * outBlock) const;

void ProcessBlock(byte * inoutBlock) const;

enum { KEYLENGTH=, BLOCKSIZE=8};

unsigned int BlockSize() const { return BLOCKSIZE;}

private:

DES e1, d, e2;

};

class TripleDES_Decryption : public BlockTransformation

{

public:

TripleDES_Decryption(const byte * userKey)

: d1(userKey + 2*DES::KEYLENGTH, DECRYPTION), e(userKey + DES::KEYLENGTH, ENCRYPTION),

d2(userKey, DECRYPTION) { }

void ProcessBlock(const byte *inBlock, byte * outBlock) const;

void ProcessBlock(byte * inoutBlock) const;

enum { KEYLENGTH=, BLOCKSIZE=8};

unsigned int BlockSize() const { return BLOCKSIZE;}

private:

DES d1, e, d2;

};

NAMESPACE_END

#endif

des.cpp文件：

// des.cpp - modified by Wei Dai from:

* This is a major rewrite of my old public domain DES code written

* circa , which in turn borrowed heavily from Jim Gillogly's

* public domain code. I pretty much kept my key scheduling code, but

* the actual encrypt/decrypt routines are taken from from Richard

* Outerbridge's DES code as printed in Schneier's "Applied Cryptography."

* This code is in the public domain. I would appreciate bug reports and

* enhancements.

* Phil Karn KA9Q, karn@unix.ka9q.ampr.org, August .

#include "pch.h"

#include "misc.h"

#include "des.h"

NAMESPACE_BEGIN(CryptoPP)

/* Tables defined in the Data Encryption Standard documents

* Three of these tables, the initial permutation, the final

* permutation and the expansion operator, are regular enough that

* for speed, we hard-code them. They're here for reference only.

* Also, the S and P boxes are used by a separate program, gensp.c,

* to build the combined SP box, Spbox[]. They're also here just

* for reference.

#ifdef notdef

/* initial permutation IP */

static byte ip[] = {

, , , , , , , 2,

, , , , , , , 4,

, , , , , , , 6,

, , , , , , , 8,

, , , , , , 9, 1,

, , , , , , , 3,

, , , , , , , 5,

, , , , , , , 7

};

/* final permutation IP^-1 */

static byte fp[] = {

, 8, , , , , , ,

, 7, , , , , , ,

, 6, , , , , , ,

, 5, , , , , , ,

, 4, , , , , , ,

, 3, , , , , , ,

, 2, , , , , , ,

, 1, , 9, , , ,

};

/* expansion operation matrix */

static byte ei[] = {

, 1, 2, 3, 4, 5,

4, 5, 6, 7, 8, 9,

8, 9, , , , ,

, , , , , ,

, , , , , 1

};

/* The (in)famous S-boxes */

static byte sbox[8][] = {

/* S1 */

, 4, , 1, 2, , , 8, 3, , 6, , 5, 9, 0, 7,

0, , 7, 4, , 2, , 1, , 6, , , 9, 5, 3, 8,

4, 1, , 8, , 6, 2, , , , 9, 7, 3, , 5, 0,

, , 8, 2, 4, 9, 1, 7, 5, , 3, , , 0, 6, ,

/* S2 */

, 1, 8, , 6, , 3, 4, 9, 7, 2, , , 0, 5, ,

3, , 4, 7, , 2, 8, , , 0, 1, , 6, 9, , 5,

0, , 7, , , 4, , 1, 5, 8, , 6, 9, 3, 2, ,

, 8, , 1, 3, , 4, 2, , 6, 7, , 0, 5, , 9,

/* S3 */

, 0, 9, , 6, 3, , 5, 1, , , 7, , 4, 2, 8,

, 7, 0, 9, 3, 4, 6, , 2, 8, 5, , , , , 1,

, 6, 4, 9, 8, , 3, 0, , 1, 2, , 5, , , 7,

1, , , 0, 6, 9, 8, 7, 4, , , 3, , 5, 2, ,

/* S4 */

7, , , 3, 0, 6, 9, , 1, 2, 8, 5, , , 4, ,

, 8, , 5, 6, , 0, 3, 4, 7, 2, , 1, , , 9,

, 6, 9, 0, , , 7, , , 1, 3, , 5, 2, 8, 4,

3, , 0, 6, , 1, , 8, 9, 4, 5, , , 7, 2, ,

/* S5 */

2, , 4, 1, 7, , , 6, 8, 5, 3, , , 0, , 9,

, , 2, , 4, 7, , 1, 5, 0, , , 3, 9, 8, 6,

4, 2, 1, , , , 7, 8, , 9, , 5, 6, 3, 0, ,

, 8, , 7, 1, , 2, , 6, , 0, 9, , 4, 5, 3,

/* S6 */

, 1, , , 9, 2, 6, 8, 0, , 3, 4, , 7, 5, ,

, , 4, 2, 7, , 9, 5, 6, 1, , , 0, , 3, 8,

9, , , 5, 2, 8, , 3, 7, 0, 4, , 1, , , 6,

4, 3, 2, , 9, 5, , , , , 1, 7, 6, 0, 8, ,

/* S7 */

4, , 2, , , 0, 8, , 3, , 9, 7, 5, , 6, 1,

, 0, , 7, 4, 9, 1, , , 3, 5, , 2, , 8, 6,

1, 4, , , , 3, 7, , , , 6, 8, 0, 5, 9, 2,

6, , , 8, 1, 4, , 7, 9, 5, 0, , , 2, 3, ,

/* S8 */

, 2, 8, 4, 6, , , 1, , 9, 3, , 5, 0, , 7,

1, , , 8, , 3, 7, 4, , 5, 6, , 0, , 9, 2,

7, , 4, 1, 9, , , 2, 0, 6, , , , 3, 5, 8,

2, 1, , 7, 4, , 8, , , , 9, 0, 3, 5, 6,

};

/* -bit permutation function P used on the output of the S-boxes */

static byte pi[] = {

, 7, , ,

, , , ,

1, , , ,

5, , , ,

2, 8, , ,

, , 3, 9,

, , , 6,

, , 4,

};

#endif

/* permuted choice table (key) */

static const byte pc1[] = {

, , , , , , 9,

1, , , , , , ,

, 2, , , , , ,

, , 3, , , , ,

, , , , , , ,

7, , , , , , ,

, 6, , , , , ,

, , 5, , , , 4

};

/* number left rotations of pc1 */

static const byte totrot[] = {

1,2,4,6,8,,,,,,,,,,,

};

/* permuted choice key (table) */

static const byte pc2[] = {

, , , , 1, 5,

3, , , 6, , ,

, , , 4, , 8,

, 7, , , , 2,

, , , , , ,

, , , , ,

};

/* End of DES-defined tables */

/* bit 0 is left-most in byte */

static const int bytebit[] = {

,,,,,,,

};

/* Set key (initialize key schedule array) */

DES::DES(const byte *key, CipherDir dir)

: k()

{

SecByteBlock buffer(++8);

byte *const pc1m=buffer; /* place to modify pc1 into */

byte *const pcr=pc1m+; /* place to rotate pc1 into */

byte *const ks=pcr+;

int m;

for (j=0; j<; j++) { /* convert pc1 to bits of key */

l=pc1[j]-1; /* integer bit location */

m = l & ; /* find bit */

pc1m[j]=(key[l>>3] & /* find which key byte l is in */

bytebit[m]) /* and which bit of that byte */

1 : 0; /* and store 1-bit result */

}

for (i=0; i<; i++) { /* key chunk for each iteration */

memset(ks,0,8); /* Clear key schedule */

for (j=0; j<; j++) /* rotate pc1 the right amount */

pcr[j] = pc1m[(l=j+totrot[i])<(j<? : ) ? l: l-];

/* rotate left and right halves independently */

for (j=0; j<; j++){ /* select bits individually */

/* check bit that goes to ks[j] */

if (pcr[pc2[j]-1]){

/* mask it in if it's there */

l= j % 6;

ks[j/6] |= bytebit[l] >> 2;

}

/* Now convert to odd/even interleaved form for use in F */

k[2*i] = ((word)ks[0] << )

| ((word)ks[2] << )

| ((word)ks[4] << 8)

| ((word)ks[6]);

k[2*i+1] = ((word)ks[1] << )

| ((word)ks[3] << )

| ((word)ks[5] << 8)

| ((word)ks[7]);

}

if (dir==DECRYPTION) // reverse key schedule order

for (i=0; i<; i+=2)

{

std::swap(k[i], k[-2-i]);

std::swap(k[i+1], k[-1-i]);

}

/* End of C code common to both versions */

/* C code only in portable version */

// Richard Outerbridge's initial permutation algorithm

inline void IPERM(word &left, word &right)

{

word work;

work = ((left >> 4) ^ right) & 0x0f0f0f0f;

right ^= work;

left ^= work << 4;

work = ((left >> ) ^ right) & 0xffff;

right ^= work;

left ^= work << ;

work = ((right >> 2) ^ left) & 0x;

left ^= work;

right ^= (work << 2);

work = ((right >> 8) ^ left) & 0xffff;

left ^= work;

right ^= (work << 8);

right = rotl(right, 1);

work = (left ^ right) & 0xaaaaaaaa;

left ^= work;

right ^= work;

left = rotl(left, 1);

}

inline void FPERM(word &left, word &right)

{

word work;

right = rotr(right, 1);

work = (left ^ right) & 0xaaaaaaaa;

left ^= work;

right ^= work;

left = rotr(left, 1);

work = ((left >> 8) ^ right) & 0xffff;

right ^= work;

left ^= work << 8;

work = ((left >> 2) ^ right) & 0x;

right ^= work;

left ^= work << 2;

work = ((right >> ) ^ left) & 0xffff;

left ^= work;

right ^= work << ;

work = ((right >> 4) ^ left) & 0x0f0f0f0f;

left ^= work;

right ^= work << 4;

}

// Wei Dai's modification to Richard Outerbridge's initial permutation

// algorithm, this one is faster if you have access to rotate instructions

// (like in MSVC)

inline void IPERM(word &left, word &right)

{

word work;

right = rotl(right, 4U);

work = (left ^ right) & 0xf0f0f0f0;

left ^= work;

right = rotr(right^work, U);

work = (left ^ right) & 0xffff;

left ^= work;

right = rotr(right^work, U);

work = (left ^ right) & 0x;

left ^= work;

right = rotr(right^work, 6U);

work = (left ^ right) & 0xffff;

left ^= work;

right = rotl(right^work, 9U);

work = (left ^ right) & 0xaaaaaaaa;

left = rotl(left^work, 1U);

right ^= work;

}

inline void FPERM(word &left, word &right)

{

word work;

right = rotr(right, 1U);

work = (left ^ right) & 0xaaaaaaaa;

right ^= work;

left = rotr(left^work, 9U);

work = (left ^ right) & 0xffff;

right ^= work;

left = rotl(left^work, 6U);

work = (left ^ right) & 0x;

right ^= work;

left = rotl(left^work, U);

work = (left ^ right) & 0xffff;

right ^= work;

left = rotl(left^work, U);

work = (left ^ right) & 0xf0f0f0f0;

right ^= work;

left = rotr(left^work, 4U);

}

// Encrypt or decrypt a block of data in ECB mode

void DES::ProcessBlock(const byte *inBlock, byte * outBlock) const

{

word l,r,work;

#ifdef IS_LITTLE_ENDIAN

l = byteReverse(*(word *)inBlock);

r = byteReverse(*(word *)(inBlock+4));

#else

l = *(word *)inBlock;

r = *(word *)(inBlock+4);

#endif

IPERM(l,r);

const word *kptr=k;

for (unsigned i=0; i<8; i++)

{

work = rotr(r, 4U) ^ kptr[4*i+0];

l ^= Spbox[6][(work) & 0x3f]

^ Spbox[4][(work >> 8) & 0x3f]

^ Spbox[2][(work >> ) & 0x3f]

^ Spbox[0][(work >> ) & 0x3f];

work = r ^ kptr[4*i+1];

l ^= Spbox[7][(work) & 0x3f]

^ Spbox[5][(work >> 8) & 0x3f]

^ Spbox[3][(work >> ) & 0x3f]

^ Spbox[1][(work >> ) & 0x3f];

work = rotr(l, 4U) ^ kptr[4*i+2];

r ^= Spbox[6][(work) & 0x3f]

^ Spbox[4][(work >> 8) & 0x3f]

^ Spbox[2][(work >> ) & 0x3f]

^ Spbox[0][(work >> ) & 0x3f];

work = l ^ kptr[4*i+3];

r ^= Spbox[7][(work) & 0x3f]

^ Spbox[5][(work >> 8) & 0x3f]

^ Spbox[3][(work >> ) & 0x3f]

^ Spbox[1][(work >> ) & 0x3f];

}

FPERM(l,r);

#ifdef IS_LITTLE_ENDIAN

*(word *)outBlock = byteReverse(r);

*(word *)(outBlock+4) = byteReverse(l);

#else

*(word *)outBlock = r;

*(word *)(outBlock+4) = l;

#endif

}

void DES_EDE_Encryption::ProcessBlock(byte *inoutBlock) const

{

e.ProcessBlock(inoutBlock);

d.ProcessBlock(inoutBlock);

e.ProcessBlock(inoutBlock);

}

void DES_EDE_Encryption::ProcessBlock(const byte *inBlock, byte *outBlock) const

{

e.ProcessBlock(inBlock, outBlock);

d.ProcessBlock(outBlock);

e.ProcessBlock(outBlock);

}

void DES_EDE_Decryption::ProcessBlock(byte *inoutBlock) const

{

d.ProcessBlock(inoutBlock);

e.ProcessBlock(inoutBlock);

d.ProcessBlock(inoutBlock);

}

void DES_EDE_Decryption::ProcessBlock(const byte *inBlock, byte *outBlock) const

{

d.ProcessBlock(inBlock, outBlock);

e.ProcessBlock(outBlock);

d.ProcessBlock(outBlock);

}

void TripleDES_Encryption::ProcessBlock(byte *inoutBlock) const

{

e1.ProcessBlock(inoutBlock);

d.ProcessBlock(inoutBlock);

e2.ProcessBlock(inoutBlock);

}

void TripleDES_Encryption::ProcessBlock(const byte *inBlock, byte *outBlock) const

{

e1.ProcessBlock(inBlock, outBlock);

d.ProcessBlock(outBlock);

e2.ProcessBlock(outBlock);

}

void TripleDES_Decryption::ProcessBlock(byte *inoutBlock) const

{

d1.ProcessBlock(inoutBlock);

e.ProcessBlock(inoutBlock);

d2.ProcessBlock(inoutBlock);

}

void TripleDES_Decryption::ProcessBlock(const byte *inBlock, byte *outBlock) const

{

d1.ProcessBlock(inBlock, outBlock);

e.ProcessBlock(outBlock);

d2.ProcessBlock(outBlock);

}

NAMESPACE_END

Ubuntu 9.ä¸å®è£åä½¿ç¨ffmpegçè¯¦ç»è¿ç¨ï¼

ffmpegçç¼è¯ãå®è£åä½¿ç¨(for x,for arm)

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C#用datagriview控件增加删除行数据，并且更新到xml中，求代码（急）如图

完全按你的要求写的，供参考：

前提是XML文件已创建好，在窗体里选择该XML文件，再行操作：

窗体：

//选择XML按钮

private void btnXML_Click(object sender, EventArgs e)

{

DataTable dt = new DataTable();

OpenFileDialog xmlFile = new OpenFileDialog();

xmlFile.Filter = "*.xml|";

xmlFile.Title = "请选择xml文件";

if (xmlFile.ShowDialog() == DialogResult.OK)

{

this.txtPath.Text = xmlFile.FileName;//在textBox1控件中显示选择的路径

dt=GetXML(this.txtPath.Text);

}

if(!dt.Equals(null)&&dt.Rows.Count>0)

LoadData(dt, dgvXML);//加载到窗体中

}

//保存按钮

private void button1_Click(object sender, EventArgs e)

{

int n = SaveDgv();

if (n > 0)

{

MessageBox.Show("保存成功！");

DataTable dt = new DataTable();

dt = GetXML(this.txtPath.Text);

LoadData(dt, dgvXML);//刷新加载

}

else

{

MessageBox.Show("保存失败！");

DataTable dt = new DataTable();

dt = GetXML(this.txtPath.Text);

LoadData(dt, dgvXML);//刷新加载

}

//删除按钮

private void btnDelete_Click(object sender, EventArgs e)

{

int n = 0;//判断是否删除

for (int i = 0; i < dgvXML.SelectedRows.Count; i++)

{

string id = dgvXML.SelectedRows[i].Cells[0].Value.ToString();

XmlDocument doc = new XmlDocument();

doc.Load(this.txtPath.Text);

XmlNodeList nod = doc.DocumentElement.ChildNodes;

XmlNode root = doc.DocumentElement;

foreach (XmlNode peo in nod)

{

if (XmlNode.Equals(peo.SelectSingleNode("ID").InnerText, id))

{

root.RemoveChild(peo);//从根节点删除该ID的PERSON

doc.Save(this.txtPath.Text);

n++;

}

if (n > 0)

{

DataTable dt = new DataTable();

dt = GetXML(this.txtPath.Text);

LoadData(dt, dgvXML);//刷新加载

MessageBox.Show("删除成功！");

}

else

{

MessageBox.Show("删除失败！");

}

// DataGridView中加载数据

private void LoadData(DataTable dt, DataGridView dgv)

{

dgv.Rows.Clear();//datagridview清空数据

if (dt != null && dt.Rows.Count > 0)

{

dgv.Rows.Add(dt.Rows.Count);

for (int i = 0; i < dt.Rows.Count; i++)

{

for (int k = 0; k < dt.Columns.Count; k++)

{

dgv.Rows[i].Cells[k].Value = dt.Rows[i][k].ToString();//赋值

}

//datagridview添加行号

private void dataGridView1_RowStateChanged(object sender, DataGridViewRowStateChangedEventArgs e)

{

e.Row.HeaderCell.Value = (e.Row.Index + 1).ToString();

}

//解析XML生成DATATABLE

private List<string> IDList = new List<string>();//用来记录已有的ID，以在修改时判断是否新增

private DataTable GetXML(string path)

{

DataTable dt = new DataTable();

dt.Columns.Add("ID");

dt.Columns.Add("NAME");

dt.Columns.Add("SEX");

dt.Columns.Add("PHONE");

XmlDocument doc = new XmlDocument();

doc.Load(path);

XmlNodeList nod = doc.DocumentElement.ChildNodes;

foreach (XmlNode peo in nod)

{

XmlNodeList pe = peo.ChildNodes;

DataRow row = dt.NewRow();

foreach (XmlNode p in pe)

{

if (p.Name == "ID")

{

row["ID"] = p.InnerText.ToString();

IDList.Add(p.InnerText.ToString());//添加ID记录，以在修改时判断是否新增

}

if (p.Name == "NAME")

{

row["NAME"] = p.InnerText.ToString();

}

if (p.Name == "SEX")

{

row["SEX"] = p.InnerText.ToString();

}

if (p.Name == "PHONE")

{

row["PHONE"] = p.InnerText.ToString();

}

dt.Rows.Add(row);

}

return dt;

}

//修改dgv数据后保存到XML文件

private int SaveDgv()

{

int n = 0;

for (int i = 0; i < dgvXML.Rows.Count-1; i++)

{

XmlDocument doc = new XmlDocument();

doc.Load(this.txtPath.Text);

XmlNodeList nod = doc.DocumentElement.ChildNodes;

string id = dgvXML.Rows[i].Cells[0].Value.ToString();

if (IDList.Contains(id)) //如果是已有的ID，则修改

{

foreach (XmlNode peo in nod)

{

if (XmlNode.Equals(peo.SelectSingleNode("ID").InnerText, id))

{

peo.SelectSingleNode("NAME").InnerText = dgvXML.Rows[i].Cells[1].Value.ToString();//赋值姓名

peo.SelectSingleNode("SEX").InnerText = dgvXML.Rows[i].Cells[2].Value.ToString();//赋值性别

peo.SelectSingleNode("PHONE").InnerText = dgvXML.Rows[i].Cells[3].Value.ToString();//赋值电话

doc.Save(this.txtPath.Text);

n++;

break;//当找到该ID记录并修改后，跳出循环

}

else //否则为新增

{

XmlNode root = doc.DocumentElement;

XmlElement PERSON = doc.CreateElement("PERSON");

XmlElement ID = doc.CreateElement("ID");

ID.InnerText = id;//赋值id

XmlElement NAME = doc.CreateElement("NAME");

NAME.InnerText = dgvXML.Rows[i].Cells[1].Value.ToString();//赋值姓名

XmlElement SEX = doc.CreateElement("SEX");

SEX.InnerText = dgvXML.Rows[i].Cells[2].Value.ToString();//赋值性别

XmlElement PHONE = doc.CreateElement("PHONE");

PHONE.InnerText = dgvXML.Rows[i].Cells[3].Value.ToString();//赋值电话

PERSON.AppendChild(ID);

PERSON.AppendChild(NAME);

PERSON.AppendChild(SEX);

PERSON.AppendChild(PHONE);

root.AppendChild(PERSON);

doc.Save(this.txtPath.Text);//保存

n++;

}

return n;

}

XML文件：

<?xml version="1.0" standalone="yes"?>

<List>

</PERSON>

</PERSON>

</PERSON>

</PERSON>

</List>

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