mirror of
https://github.com/chillzhuang/blade-tool
synced 2024-11-15 15:09:30 +08:00
♻️ 重构StringUtil的format方法
This commit is contained in:
parent
72ca05fd27
commit
0fc9e1fa79
@ -15,7 +15,6 @@
|
|||||||
*/
|
*/
|
||||||
package org.springblade.core.tool.utils;
|
package org.springblade.core.tool.utils;
|
||||||
|
|
||||||
import org.springblade.core.tool.support.StrFormatter;
|
|
||||||
import org.springblade.core.tool.support.StrSpliter;
|
import org.springblade.core.tool.support.StrSpliter;
|
||||||
import org.springframework.lang.Nullable;
|
import org.springframework.lang.Nullable;
|
||||||
import org.springframework.util.Assert;
|
import org.springframework.util.Assert;
|
||||||
@ -25,7 +24,6 @@ import org.springframework.web.util.HtmlUtils;
|
|||||||
import java.io.StringReader;
|
import java.io.StringReader;
|
||||||
import java.io.StringWriter;
|
import java.io.StringWriter;
|
||||||
import java.nio.charset.StandardCharsets;
|
import java.nio.charset.StandardCharsets;
|
||||||
import java.text.MessageFormat;
|
|
||||||
import java.util.*;
|
import java.util.*;
|
||||||
import java.util.concurrent.ThreadLocalRandom;
|
import java.util.concurrent.ThreadLocalRandom;
|
||||||
import java.util.stream.Stream;
|
import java.util.stream.Stream;
|
||||||
@ -299,62 +297,86 @@ public class StringUtil extends org.springframework.util.StringUtils {
|
|||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 格式化文本, {} 表示占位符<br>
|
* 将字符串中特定模式的字符转换成map中对应的值
|
||||||
* 此方法只是简单将占位符 {} 按照顺序替换为参数<br>
|
* <p>
|
||||||
* 如果想输出 {} 使用 \\转义 { 即可,如果想输出 {} 之前的 \ 使用双转义符 \\\\ 即可<br>
|
* use: format("my name is ${name}, and i like ${like}!", {"name":"L.cm", "like": "Java"})
|
||||||
* 例:<br>
|
|
||||||
* 通常使用:format("this is {} for {}", "a", "b") =》 this is a for b<br>
|
|
||||||
* 转义{}: format("this is \\{} for {}", "a", "b") =》 this is \{} for a<br>
|
|
||||||
* 转义\: format("this is \\\\{} for {}", "a", "b") =》 this is \a for b<br>
|
|
||||||
*
|
*
|
||||||
* @param template 文本模板,被替换的部分用 {} 表示
|
* @param message 需要转换的字符串
|
||||||
* @param params 参数值
|
* @param params 转换所需的键值对集合
|
||||||
* @return 格式化后的文本
|
* @return 转换后的字符串
|
||||||
*/
|
*/
|
||||||
public static String format(CharSequence template, Object... params) {
|
public static String format(@Nullable String message, @Nullable Map<String, ?> params) {
|
||||||
if (null == template) {
|
// message 为 null 返回空字符串
|
||||||
return null;
|
if (message == null) {
|
||||||
|
return StringPool.EMPTY;
|
||||||
}
|
}
|
||||||
if (Func.isEmpty(params) || isBlank(template)) {
|
// 参数为 null 或者为空
|
||||||
return template.toString();
|
if (params == null || params.isEmpty()) {
|
||||||
|
return message;
|
||||||
}
|
}
|
||||||
return StrFormatter.format(template.toString(), params);
|
// 替换变量
|
||||||
|
StringBuilder sb = new StringBuilder((int) (message.length() * 1.5));
|
||||||
|
int cursor = 0;
|
||||||
|
for (int start, end; (start = message.indexOf(StringPool.DOLLAR_LEFT_BRACE, cursor)) != -1 && (end = message.indexOf(StringPool.RIGHT_BRACE, start)) != -1; ) {
|
||||||
|
sb.append(message, cursor, start);
|
||||||
|
String key = message.substring(start + 2, end);
|
||||||
|
Object value = params.get(key.strip());
|
||||||
|
sb.append(value == null ? StringPool.EMPTY : value);
|
||||||
|
cursor = end + 1;
|
||||||
|
}
|
||||||
|
sb.append(message.substring(cursor));
|
||||||
|
return sb.toString();
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 有序的格式化文本,使用{number}做为占位符<br>
|
* 同 log 格式的 format 规则
|
||||||
* 例:<br>
|
* <p>
|
||||||
* 通常使用:format("this is {0} for {1}", "a", "b") =》 this is a for b<br>
|
* use: format("my name is {}, and i like {}!", "L.cm", "Java")
|
||||||
*
|
*
|
||||||
* @param pattern 文本格式
|
* @param message 需要转换的字符串
|
||||||
* @param arguments 参数
|
* @param arguments 需要替换的变量
|
||||||
* @return 格式化后的文本
|
* @return 转换后的字符串
|
||||||
*/
|
*/
|
||||||
public static String indexedFormat(CharSequence pattern, Object... arguments) {
|
public static String format(@Nullable String message, @Nullable Object... arguments) {
|
||||||
return MessageFormat.format(pattern.toString(), arguments);
|
// message 为 null 返回空字符串
|
||||||
|
if (message == null) {
|
||||||
|
return StringPool.EMPTY;
|
||||||
|
}
|
||||||
|
// 参数为 null 或者为空
|
||||||
|
if (arguments == null || arguments.length == 0) {
|
||||||
|
return message;
|
||||||
|
}
|
||||||
|
StringBuilder sb = new StringBuilder((int) (message.length() * 1.5));
|
||||||
|
int cursor = 0;
|
||||||
|
int index = 0;
|
||||||
|
int argsLength = arguments.length;
|
||||||
|
for (int start, end; (start = message.indexOf(StringPool.LEFT_BRACE, cursor)) != -1 && (end = message.indexOf(StringPool.RIGHT_BRACE, start)) != -1 && index < argsLength; ) {
|
||||||
|
sb.append(message, cursor, start);
|
||||||
|
sb.append(arguments[index]);
|
||||||
|
cursor = end + 1;
|
||||||
|
index++;
|
||||||
|
}
|
||||||
|
sb.append(message.substring(cursor));
|
||||||
|
return sb.toString();
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* 格式化文本,使用 {varName} 占位<br>
|
* 格式化执行时间,单位为 ms 和 s,保留三位小数
|
||||||
* map = {a: "aValue", b: "bValue"} format("{a} and {b}", map) ---=》 aValue and bValue
|
|
||||||
*
|
*
|
||||||
* @param template 文本模板,被替换的部分用 {key} 表示
|
* @param nanos 纳秒
|
||||||
* @param map 参数值对
|
* @return 格式化后的时间
|
||||||
* @return 格式化后的文本
|
|
||||||
*/
|
*/
|
||||||
public static String format(CharSequence template, Map<?, ?> map) {
|
public static String format(long nanos) {
|
||||||
if (null == template) {
|
if (nanos < 1) {
|
||||||
return null;
|
return "0ms";
|
||||||
}
|
}
|
||||||
if (null == map || map.isEmpty()) {
|
double millis = (double) nanos / (1000 * 1000);
|
||||||
return template.toString();
|
// 不够 1 ms,最小单位为 ms
|
||||||
|
if (millis > 1000) {
|
||||||
|
return String.format("%.3fs", millis / 1000);
|
||||||
|
} else {
|
||||||
|
return String.format("%.3fms", millis);
|
||||||
}
|
}
|
||||||
|
|
||||||
String template2 = template.toString();
|
|
||||||
for (Map.Entry<?, ?> entry : map.entrySet()) {
|
|
||||||
template2 = template2.replace("{" + entry.getKey() + "}", Func.toStr(entry.getValue()));
|
|
||||||
}
|
|
||||||
return template2;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
Loading…
Reference in New Issue
Block a user