解决从springboot配置文件application.properties获取中文乱码

这里因为自带的iso编码格式

需要进行如下操作

新增两个文件重写

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package com.java.file.config;
 
import org.springframework.boot.origin.Origin;
import org.springframework.boot.origin.OriginTrackedValue;
import org.springframework.boot.origin.TextResourceOrigin;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
 
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.LineNumberReader;
import java.nio.charset.StandardCharsets;
import java.util.LinkedHashMap;
import java.util.Map;
 
/**
 * @Description:
 * @Author: qiuxie
 * @Create: 2023/7/10 10:57
 */
public class CustomizedOriginTrackedPropertiesLoader {
 
    private final Resource resource;
 
    /**
     * Create a new {@link CustomizedOriginTrackedPropertiesLoader} instance.
     * @param resource the resource of the {@code .properties} data
     */
    CustomizedOriginTrackedPropertiesLoader(Resource resource) {
        Assert.notNull(resource, "Resource must not be null");
        this.resource = resource;
    }
 
    /**
     * Load {@code .properties} data and return a map of {@code String} ->
     * {@link OriginTrackedValue}.
     * @return the loaded properties
     * @throws IOException on read error
     */
    Map<String, OriginTrackedValue> load() throws IOException {
        return load(true);
    }
 
    /**
     * Load {@code .properties} data and return a map of {@code String} ->
     * {@link OriginTrackedValue}.
     * @param expandLists if list {@code name[]=a,b,c} shortcuts should be expanded
     * @return the loaded properties
     * @throws IOException on read error
     */
    Map<String, OriginTrackedValue> load(boolean expandLists) throws IOException {
        try (CharacterReader reader = new CharacterReader(this.resource)) {
            Map<String, OriginTrackedValue> result = new LinkedHashMap<>();
            StringBuilder buffer = new StringBuilder();
            while (reader.read()) {
                String key = loadKey(buffer, reader).trim();
                if (expandLists && key.endsWith("[]")) {
                    key = key.substring(0, key.length() - 2);
                    int index = 0;
                    do {
                        OriginTrackedValue value = loadValue(buffer, reader, true);
                        put(result, key + "[" + (index++) + "]", value);
                        if (!reader.isEndOfLine()) {
                            reader.read();
                        }
                    }
                    while (!reader.isEndOfLine());
                }
                else {
                    OriginTrackedValue value = loadValue(buffer, reader, false);
                    put(result, key, value);
                }
            }
            return result;
        }
    }
 
    private void put(Map<String, OriginTrackedValue> result, String key, OriginTrackedValue value) {
        if (!key.isEmpty()) {
            result.put(key, value);
        }
    }
 
    private String loadKey(StringBuilder buffer, CharacterReader reader) throws IOException {
        buffer.setLength(0);
        boolean previousWhitespace = false;
        while (!reader.isEndOfLine()) {
            if (reader.isPropertyDelimiter()) {
                reader.read();
                return buffer.toString();
            }
            if (!reader.isWhiteSpace() && previousWhitespace) {
                return buffer.toString();
            }
            previousWhitespace = reader.isWhiteSpace();
            buffer.append(reader.getCharacter());
            reader.read();
        }
        return buffer.toString();
    }
 
    private OriginTrackedValue loadValue(StringBuilder buffer,CharacterReader reader, boolean splitLists)
            throws IOException {
        buffer.setLength(0);
        while (reader.isWhiteSpace() && !reader.isEndOfLine()) {
            reader.read();
        }
        TextResourceOrigin.Location location = reader.getLocation();
        while (!reader.isEndOfLine() && !(splitLists && reader.isListDelimiter())) {
            buffer.append(reader.getCharacter());
            reader.read();
        }
        Origin origin = new TextResourceOrigin(this.resource, location);
        return OriginTrackedValue.of(buffer.toString(), origin);
    }
 
    /**
     * Reads characters from the source resource, taking care of skipping comments,
     * handling multi-line values and tracking {@code '\'} escapes.
     */
    private static class CharacterReader implements Closeable {
 
        private static final String[] ESCAPES = { "trnf", "\t\r\n\f" };
 
        private final LineNumberReader reader;
 
        private int columnNumber = -1;
 
        private boolean escaped;
 
        private int character;
 
        CharacterReader(Resource resource) throws IOException {
            this.reader = new LineNumberReader(
                    new InputStreamReader(resource.getInputStream(), StandardCharsets.UTF_8));
        }
 
        @Override
        public void close() throws IOException {
            this.reader.close();
        }
 
        boolean read() throws IOException {
            return read(false);
        }
 
        boolean read(boolean wrappedLine) throws IOException {
            this.escaped = false;
            this.character = this.reader.read();
            this.columnNumber++;
            if (this.columnNumber == 0) {
                skipLeadingWhitespace();
                if (!wrappedLine) {
                    skipComment();
                }
            }
            if (this.character == '\\') {
                this.escaped = true;
                readEscaped();
            }
            else if (this.character == '\n') {
                this.columnNumber = -1;
            }
            return !isEndOfFile();
        }
 
        private void skipLeadingWhitespace() throws IOException {
            while (isWhiteSpace()) {
                this.character = this.reader.read();
                this.columnNumber++;
            }
        }
 
        private void skipComment() throws IOException {
            if (this.character == '#' || this.character == '!') {
                while (this.character != '\n' && this.character != -1) {
                    this.character = this.reader.read();
                }
                this.columnNumber = -1;
                read();
            }
        }
 
        private void readEscaped() throws IOException {
            this.character = this.reader.read();
            int escapeIndex = ESCAPES[0].indexOf(this.character);
            if (escapeIndex != -1) {
                this.character = ESCAPES[1].charAt(escapeIndex);
            }
            else if (this.character == '\n') {
                this.columnNumber = -1;
                read(true);
            }
            else if (this.character == 'u') {
                readUnicode();
            }
        }
 
        private void readUnicode() throws IOException {
            this.character = 0;
            for (int i = 0; i < 4; i++) {
                int digit = this.reader.read();
                if (digit >= '0' && digit <= '9') {
                    this.character = (this.character << 4) + digit - '0';
                }
                else if (digit >= 'a' && digit <= 'f') {
                    this.character = (this.character << 4) + digit - 'a' + 10;
                }
                else if (digit >= 'A' && digit <= 'F') {
                    this.character = (this.character << 4) + digit - 'A' + 10;
                }
                else {
                    throw new IllegalStateException("Malformed \\uxxxx encoding.");
                }
            }
        }
 
        boolean isWhiteSpace() {
            return !this.escaped && (this.character == ' ' || this.character == '\t' || this.character == '\f');
        }
 
        boolean isEndOfFile() {
            return this.character == -1;
        }
 
        boolean isEndOfLine() {
            return this.character == -1 || (!this.escaped && this.character == '\n');
        }
 
        boolean isListDelimiter() {
            return !this.escaped && this.character == ',';
        }
 
        boolean isPropertyDelimiter() {
            return !this.escaped && (this.character == '=' || this.character == ':');
        }
 
        char getCharacter() {
            return (char) this.character;
        }
 
        TextResourceOrigin.Location getLocation() {
            return new TextResourceOrigin.Location(this.reader.getLineNumber(), this.columnNumber);
        }
 
    }
 
 
 
}

package com.java.file.config;
 
import org.springframework.boot.env.OriginTrackedMapPropertySource;
import org.springframework.boot.env.PropertySourceLoader;
import org.springframework.core.env.PropertySource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PropertiesLoaderUtils;
 
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.Map;
 
/**
 * @Description:
 * @Author: qiuxie
 * @Create: 2023/7/10 11:21
 */
public class MyPropertiesPropertySourceLoader implements PropertySourceLoader {
 
    private static final String XML_FILE_EXTENSION = ".xml";
 
    @Override
    public String[] getFileExtensions() {
        return new String[] { "properties", "xml" };
    }
 
    @Override
    public List<PropertySource<?>> load(String name, Resource resource) throws IOException {
        Map<String, ?> properties = loadProperties(resource);
        if (properties.isEmpty()) {
            return Collections.emptyList();
        }
        return Collections
                .singletonList(new OriginTrackedMapPropertySource(name, Collections.unmodifiableMap(properties), true));
    }
 
    @SuppressWarnings({ "unchecked", "rawtypes" })
    private Map<String, ?> loadProperties(Resource resource) throws IOException {
        String filename = resource.getFilename();
        if (filename != null && filename.endsWith(XML_FILE_EXTENSION)) {
            return (Map) PropertiesLoaderUtils.loadProperties(resource);
        }
        return new CustomizedOriginTrackedPropertiesLoader(resource).load();
    }
}

　　将自定义的类加载到容器中

1 2	`org.springframework.boot.env.PropertySourceLoader=\` `com.java.file.config.MyPropertiesPropertySourceLoader`

代码部分

@Value("${bank.name.list}")
    private List<String> listBankNames;
 
 
 private boolean isBankNameFlag(String bankName) {
        boolean bankNameFlag = false;
        log.info("从SpringCloudConfig获取的数据:{}", listBankNames);
        for (String listBankName : listBankNames) {
            if (bankName.contains(listBankName)) {
                bankNameFlag = true;
            }
        }
        return bankNameFlag;
    }