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DataTable中DefaultValue的使用

dt.Columns.Add(ColumnName, typeof(Boolean));dt.Columns.DefaultValue = false;发现这样各种尝试设置DefaultValue 值都没有用

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swagger2 Illegal DefaultValue null for parameter type integer

问题,为了方便调试,引入了swagger2,但是在第一次访问的时候总是报Illegal DefaultValue null for parameter type integer 让人看着很不输入 ?

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    @RequestParam使用defaultValue属性设置默认值

    @RequestParam使用defaultValue属性设置默认值注意设置必须是string类型的,框架自己会做转换 @RequestParam(value = page, required = false , defaultValue = 1) Integer page, @RequestParam(value = size, required = false) Integer size,

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    Spring Boot中使用Swagger2异常:Illegal DefaultValue 0 for parameter type integer

    在Spring Boot中集成Swagger2,使用@ApiImplicitParam注解时出现如下异常“Illegal DefaultValue 0 for parameter type integer ”,异常详情如下:Illegal DefaultValue 0 for parameter type integer java.lang.NumberFormatException: For input ApiImplicitParams({ @ApiImplicitParam(name = id, value = 用户ID, paramType = path, required = true, dataType = Long, defaultValue (@PathVariable(id) Long id) { userService.delete(id);}当使用@ApiImplicitParam时,针对id字段,使用了required=true和defaultValue 而且异常的描述具有迷糊性,说什么“DefaultValue”类型非法。

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    Spring配置文件的加载工具类

    (v); } catch (Exception e) { } return defaultValue;} public static int getIntValue(String name, int defaultValue defaultValue) { String v = getString(name); if (v == null) { return defaultValue; } try { return Long.parseLong defaultValue) { String v = getString(name); if (v == null) { return defaultValue; } try { return Short.parseShort double defaultValue) { String v = getString(name); if (v == null) { return defaultValue; } try { return (String name, float defaultValue) { String v = getString(name); if (v == null) { return defaultValue;

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    Java工具集-类型转换工具

    转换错误时的默认值 * @return 结果 * public static String toStr(Object value, String defaultValue) { if (null == 转换错误时的默认值 * @return 结果 * public static Character toChar(Object value, Character defaultValue) { if ( null == value) { return defaultValue; } if (value instanceof Character) { return (Character) value; } defaultValue : valueStr.charAt(0); } ** * 功能描述: * 〈判空〉 * * @params : * @return : boolean * @author : 转换错误时的默认值 * @return 结果 * public static Short toShort(Object value, Short defaultValue) { if (value =

    75510

    从嵌套结构中取值时如何编写兜底逻辑

    ,defaultValue);let result4 = get(response, data.test.test_null,defaultValue);let result5 = get(response , data.test.test_undefined.lark,defaultValue);let result6 = get(response, data.test.test_null.lark,defaultValue defaultValue;let result3 = response.data?.test?.test_undefined ?? defaultValue;let result4 = response.data?.test?.test_null ?? defaultValue;let result6 = response.data?.test?.test_null?.lark ??

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    用一个属性代理另一个对象的属性

    = null, defaultValue: T? = null) { constructor(propertyRef: PropertyReference, defaultValue: T? = null) = ObjectPropertyDelegate0(propertyRef = this as PropertyReference, defaultValue = defaultValue .delegator(defaultValue: T? = null) = ObjectPropertyDelegate0(setter = this, defaultValue = defaultValue)fun KFunction2.delegator (receiver: R, defaultValue: T?

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    java:java.util.Properties的便利性封装

    下是面封装后的类Configuration,增加了以下方法: getProperty(String)系列方法 getProperty(String key, defaultValue)系列方法 setProperty 类型相同的对象,如果key不存在或转换出错则返回defaultValue * @param key * @param defaultValue 缺省值 * @return * public T getPropertyBaseType (String key, T defaultValue) { if (null == defaultValue) throw new IllegalArgumentException(the argument ) { return getPropertyBaseType(key, defaultValue); } public Byte getPropertyByte(String key) { return _getPropertyBaseType(key, Byte.class); } public Byte getPropertyByte(String key,Byte defaultValue) {

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    聊聊flink的ParameterTool

    . * public String get(String key, String defaultValue) { addToDefaults(key, defaultValue); String value = get(key); if (value == null) { return defaultValue; } else { return value; } }​ ** * Check if value ) { addToDefaults(key, Integer.toString(defaultValue)); String value = get(key); if (value == null) { defaultValue; } return Long.parseLong(value); }​ -------------- FLOAT​ ** * Returns the Float value ) { addToDefaults(key, Double.toString(defaultValue)); String value = get(key); if (value == null) {

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    聊聊flink的ParameterTool

    . * public String get(String key, String defaultValue) { addToDefaults(key, defaultValue); String value = get(key); if (value == null) { return defaultValue; } else { return value; } } ** * Check if value ) { addToDefaults(key, Integer.toString(defaultValue)); String value = get(key); if (value == null) { return defaultValue; } return Integer.parseInt(value); } -------------- LONG ** * Returns the Long ) { addToDefaults(key, Double.toString(defaultValue)); String value = get(key); if (value == null) {

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    Android String类型转换为float、double和int的工具类方法

    public class ConvertUtil { 把String转化为float public static float convertToFloat(String number, float defaultValue ) { if (TextUtils.isEmpty(number)) { return defaultValue; } try { return Float.parseFloat(number); } catch (Exception e) { return defaultValue; } } 把String转化为double public static double convertToDouble( String number, double defaultValue) { if (TextUtils.isEmpty(number)) { return defaultValue; } try { return int convertToInt(String number, int defaultValue) { if (TextUtils.isEmpty(number)) { return defaultValue

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    ASP.NET MVC5+EF6+EasyUI 后台管理系统(19)-权限管理系统-用户登录

    ) return defaultValue; if (Value is DBNull) return defaultValue; if ((Value is string) == false && (Value public static string GetString(this object Value, string defaultValue) { if (Value == null) return defaultValue ; string retVal = defaultValue; try { var strValue = Value as string; if (strValue ! ) { if (Value == null) return defaultValue; if (Value is DBNull) return defaultValue; string strValue ) return defaultValue; if ((Value is string) == false && (Value is IConvertible) == true) { if (Value

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    stroageState Vue 缓存hook

    const raw = storage.getItem(key) if(raw){ return JSON.parse(raw) } if(isFunction(storage)){ return defaultValue () } return defaultValue} ** * * @param { localStorage | sessionStorage } storage * @param { string } key 缓存字段名 * @param { any } defaultValue 默认数据 * @returns { array } 返回缓存ref对象,及更新方法。 updateState({ ...userInfo.value, nickname: name }) * *export default function stroageState(storage, key, defaultValue ){ const state = ref( getStoreValue(storage, key, defaultValue) ) function updateState(value){ if(typeof

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    聊聊spring cloud gateway的XForwardedHeadersFilter

    配置 { sourceType: org.springframework.cloud.gateway.filter.headers.XForwardedHeadersFilter, defaultValue java.lang.Boolean }, { sourceType: org.springframework.cloud.gateway.filter.headers.XForwardedHeadersFilter, defaultValue java.lang.Boolean }, { sourceType: org.springframework.cloud.gateway.filter.headers.XForwardedHeadersFilter, defaultValue java.lang.Boolean }, { sourceType: org.springframework.cloud.gateway.filter.headers.XForwardedHeadersFilter, defaultValue java.lang.Boolean }, { sourceType: org.springframework.cloud.gateway.filter.headers.XForwardedHeadersFilter, defaultValue

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    聊聊flink的StateDescriptor

    . * @Nullable protected transient T defaultValue;​ ------------------------------------------------- null); this.serializer = checkNotNull(serializer, serializer must not be null); this.defaultValue = defaultValue code StateDescriptor}. * @param typeInfo The type information for the values in the state. * @param defaultValue = null) { return serializer.copy(defaultValue); } else { throw new IllegalStateException(Serializer not = + defaultValue + , serializer= + serializer + (isQueryable() ?

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    聊聊flink的StateDescriptor

    . * @Nullable protected transient T defaultValue; -------------------------------------------------- null); this.serializer = checkNotNull(serializer, serializer must not be null); this.defaultValue = defaultValue code StateDescriptor}. * @param typeInfo The type information for the values in the state. * @param defaultValue = null) { return serializer.copy(defaultValue); } else { throw new IllegalStateException(Serializer not = + defaultValue + , serializer= + serializer + (isQueryable() ?

    68410

    Kotlin + Spring Boot (Gradle) + React.js (Nowa) 集成 Web 开发

    return CategoryDao.getOne(id) } @GetMapping(value = ) fun page( @RequestParam(value = currentPage, defaultValue = 1) currentPage: Int, @RequestParam(value = pageSize, defaultValue = 10) pageSize: Int, @RequestParam (value = searchTxt, defaultValue = ) searchTxt: String, @RequestParam(value = type, defaultValue = 1) = 1) currentPage: Int, @RequestParam(value = pageSize, defaultValue = 10) pageSize: Int, @RequestParam (value = searchTxt, defaultValue = ) searchTxt: String, @RequestParam(value = type, defaultValue = 1)

    23120

    Jenkins(八)

    生成parameters { booleanParam defaultValue: false, description: 布尔值参数, name: FLAG} defaultValue:默认值description :描述信息name:参数名使用方法:${params.FLAG}pipeline { agent any parameters { booleanParam(defaultValue: true,description 字符参数textparameters { text defaultValue: anbncn, description: , name: D_TEXT} booleanParamchoiceparameters : none, description: 字符串, name: D_ENV, trim: true text defaultValue: anbncn, description: 文本, name: D_TEXT choice choices: anbncn, description: 选一个, name: D_CHOICE booleanParam defaultValue: false, description

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    Android开发笔记(八十四)使用Properties读写属性值

    name, String value) { mProp.setProperty(name, value); } public String readString(String name, String defaultValue (name, +value); } public int readInt(String name, int defaultValue) { return Integer.parseInt(mProp.getProperty (name, +defaultValue)); } public void writeBoolean(String name, boolean value) { mProp.setProperty(name , +value); } public boolean readBoolean(String name, boolean defaultValue) { return Boolean.parseBoolean (name, +value); } public double readDouble(String name, double defaultValue) { return Double.parseDouble

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