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完善Markdown导出表格功能

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小墨
2022-04-19 15:08:14 +08:00
parent 118307c394
commit b7a593e98e
3 changed files with 192 additions and 7 deletions
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155
bookshelfplus/src/main/java/plus/bookshelf/Common/MarkdownUtils/MarkdownTable.java Normal file
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@@ -0,0 +1,155 @@
package plus.bookshelf.Common.MarkdownUtils;
import java.util.ArrayList;
import java.util.List;
public class MarkdownTable {
public enum Alignment {
LEFT(" :--- "), CENTER(" :--: "), RIGHT(" ---: ");
public final String format;
Alignment(String format) {
this.format = format;
}
public String toString() {
return format;
}
}
// 表格的列数
private Integer numOfColumns = 0;
// 表格的行
private List<String[]> rows;
// 表格的表头
private String[] headers;
// 表格的样式
private Alignment[] alignments;
private MarkdownTable(Integer numOfColumns) {
this.numOfColumns = numOfColumns;
headers = new String[numOfColumns];
alignments = new Alignment[numOfColumns];
rows = new ArrayList<>();
}
/**
* 创建一个表格
* <p>
* 创建表格前需要先指定表格的列数，然后添加行。
* 创建表格后，表格列数不可再修改。
* 可以调用toString()方法获取表格的Markdown字符串。
*
* @param numOfColumns
* @return
*/
public static MarkdownTable create(Integer numOfColumns) {
return new MarkdownTable(numOfColumns);
}
/**
* 设置表格的表头
*
* @param header
* @return
*/
public MarkdownTable setHeader(Object... header) {
if (header.length != numOfColumns) {
throw new IllegalArgumentException("表格的列数不匹配");
}
int i = 0;
for (Object o : header) {
headers[i++] = o.toString();
}
return this;
}
/**
* 设置对齐方式
*
* @param alignments
* @return
*/
public MarkdownTable setAlignment(Alignment... alignments) {
if (alignments.length != numOfColumns) {
throw new IllegalArgumentException("表格的列数不匹配");
}
this.alignments = alignments;
return this;
}
public MarkdownTable setAlignment(Alignment alignment) {
for (int i = 0; i < numOfColumns; i++) {
alignments[i] = alignment;
}
return this;
}
/**
* 添加一行
*
* @param row
* @return
*/
public MarkdownTable addRow(String... row) {
if (row.length != numOfColumns) {
throw new IllegalArgumentException("表格的列数不匹配");
}
rows.add(row);
return this;
}
/**
* 获取表格的Markdown字符串
*
* @return
*/
@Override
public String toString() {
return toStringBuilder().toString();
}
public StringBuilder toStringBuilder() {
StringBuilder stringBuilder = new StringBuilder();
// 表头
stringBuilder.append("| ");
String headerStr = String.join(" | ", headers);
stringBuilder.append(headerStr);
stringBuilder.append(" |\n");
// 分割线
for (int i = 0; i < alignments.length; i++) {
stringBuilder.append("|");
String format = alignments[i].toString();
stringBuilder.append(format);
}
stringBuilder.append("|\n");
// 表格内容
for (String[] row : rows) {
stringBuilder.append("|");
// String rowStr = String.join(" | ", row);
// stringBuilder.append(rowStr);
// stringBuilder.append(" |\n");
for (String o : row) {
stringBuilder.append(" ");
stringBuilder.append(o.replace("\n", "<br>")
.replace("|", "\\|"));
stringBuilder.append(" |");
}
stringBuilder.append("\n");
}
// 删除最后一个换行符
stringBuilder.deleteCharAt(stringBuilder.lastIndexOf("\n"));
return stringBuilder;
}
}

13
bookshelfplus/src/main/java/plus/bookshelf/Common/MarkdownUtils/MarkdownUtils.java
View File

@@ -44,9 +44,11 @@ public class MarkdownUtils {
* @return String
*/
public String getMarkdown() {
// // 去除最后的一个换行符 (保留一个换行符)
// return markdown.deleteCharAt(markdown.length() - 1).toString();
// 去除最后的两个换行符
markdown.delete(markdown.length() - 2, markdown.length());
return markdown.toString();
return markdown.delete(markdown.length() - 2, markdown.length()).toString();
}
/**
@@ -277,12 +279,13 @@ public class MarkdownUtils {
}
/**
* 表格 TODO
* 表格
*
* @param text
* @param table
* @return
*/
public MarkdownUtils table(String text) {
public MarkdownUtils table(MarkdownTable table) {
this.append(table.toString());
return this;
}
}

31
bookshelfplus/src/test/java/plus/bookshelf/markDownTest.java
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@@ -1,6 +1,7 @@
package plus.bookshelf;
import org.junit.Test;
import plus.bookshelf.Common.MarkdownUtils.MarkdownTable;
import plus.bookshelf.Common.MarkdownUtils.MarkdownUtils;
public class markDownTest {
@@ -42,12 +43,38 @@ public class markDownTest {
.ol("这是一段有序列表的段落", 5)
.ol("这是一段有序列表的段落", 6)
.ol("这是一段有序列表的段落", 7)
.table("这是一段表格的段落")
.table(MarkdownTable.create(3)
.setHeader("标题1", "标题2", "标题3")
.setAlignment(MarkdownTable.Alignment.CENTER)
.addRow("1", "2", "3")
.addRow("1", "2", "3")
.addRow("1", "2", "3")
)
.table(MarkdownTable.create(3)
.setHeader("标题1", "标题2", "标题3")
.setAlignment(MarkdownTable.Alignment.CENTER, MarkdownTable.Alignment.LEFT, MarkdownTable.Alignment.RIGHT)
.addRow("1", "2", "3\n4")
.addRow("1", "2", "3|||wew")
.addRow("1", "2", "3")
.addRow("1", "2", MarkdownUtils.getInstance()
.inlineCode("222")
.getMarkdown()
)
)
.link("这是一段链接的段落", "https://www.baidu.com")
.image("https://t7.baidu.com/it/u=1595072465,3644073269&fm=193&f=GIF")
.blockquote(MarkdownUtils.getInstance()
.p("这是一段段落")
.p("这是一段段落"))
.p("这是一段段落")
.blockquote(MarkdownUtils.getInstance()
.p("这是一段段落")
.p("这是一段段落")
.blockquote(MarkdownUtils.getInstance()
.p("这是一段段落")
.p("这是一段段落")
)
)
)
.getMarkdown();
System.out.println(markdown);
}