FASE 3 - DISEÑO E IMPLEMENTACIÓN DEL LADO DEL CLIENTE PROGRAMACION DE SITIOS WEB
INTEGRANTE: ANDRES RENE VARGAS ROBLES: CODIGO: 1049633545
GRUPO: 301127_2
TUTOR FRANCISCO JAVIER HILARIÓN NOVOA
UNIVERSIDAD NACIONAL ABIERTA Y A DISTANCIA (UNAD) ESCUELA DE CIENCIAS BÁSICAS TECNOLOGÍA E INGENIERA 2019
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INTRODUCCION
Este trabajo es desarrollado con el fin de plantear una propuesta de sitio web a la tienda “Fox Electronics” en donde se tratarán el uso de Frameworks y lenguajes de programación del lado del cliente para la implementación de proyectos web que den solución a problemáticas planteadas.
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DESARROLLO
Diseño de la interfaz del usuario: Debe diseñar la interfaz gráfica del aplicativo web con base en el lenguaje de etiquetas HTML y en el Framework Bootstrap. Puede hacer uso de “Bootstrap Navigation Navigation Bar”. El diseño de la interfaz debe tener bien claro el nombre del aplicativo, una barra de menús con 4 menús (Administrador, Inventario, Ventas, Utilidades).
1. Como nos damos cuenta se realiza la estructura de la pagina que el cliente FOX Electronics esta solicitando
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Código de índex:
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2. Dentro del menú de Utilidades la Tienda Fox Electronics necesita lo siguiente: Una calculadora que permita ingresar un valor de compra de un producto, un porcentaje de utilidad, un porcentaje de impuesto IVA y un botón que permita calcular el valor de venta del producto.
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Código de calculadora:
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3. Debe diseñar un programa en JavaScript que permita calcular y mostrar al usuario el valor de venta del producto en cuestión e indicar cuál es el valor de la utilidad o ganancia para el administrador de la tienda.
Código utilidad:
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4. Los empleados de la tienda requieren una calculadora del valor de resistencias eléctricas, ya que el cálculo del valor se realiza por medio de una tabla de colores y requiere de tiempo, lo cual debe optimizarse por medio de un programa. La resistencia es un componente eléctrico que consume corriente y la disipa en forma de calor, tiene diversas aplicaciones dependiendo de su valor comercial y se mide en ohmios.
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Dentro del menú de Inventario y apoyado en el framework Bootstrap, debe diseñar 4 formularios en HTML:
1. Que permita al usuario ingresar un producto con las siguientes especificaciones: código de producto, nombre de producto, marca del producto, precio de compra, cantidad comprada y un botón que se llame guardar producto. 2. Que permita al usuario actualizar un producto con las siguientes especificaciones: código de producto, nombre de producto, marca del producto, precio de compra, cantidad comprada y un botón que se llame actualizar producto. 3. Que permita al usuario eliminar un producto con las siguientes especificaciones: código de producto y un botón que se llame eliminar producto. 4. Que permita al usuario consultar un producto con las siguientes
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Código inventario:
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Dentro del menú de ventas debe diseñar un formulario en HTML apoyado en Bootstrap, que tenga las siguientes especificaciones: código de producto, valor de la venta, cantidad vendida.
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RESUMEN
Los aspectos que se deben tener tener en cuenta respecto la evaluación del riesgo riesgo de la seguridad de los aplicativos del lado del cliente en JavaScript y HTML se podría decir que empiezan por la programación de sistemas web, ya que los puntos más críticos de la
seguridad en internet son en la mayoría las
herramientas que interactúa el usuario, en donde se utilizan servidores web, Es común escuchar sobre fallas en los sistemas si stemas de protección de los servidores
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También es importante El filtrado es una de las piedras angulares de la seguridad en aplicaciones web. Es el proceso por el cual se prueba la validez de los datos. Si nos aseguramos que los datos son filtrados apropiadamente al entrar, podemos eliminar el riesgo de que datos contaminados sean usados para provocar funcionamientos no deseados en la aplicación. Es importante notar que en los lenguajes de programación existen una buena
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si bien es cierto que realizar validaciones mediante JS en el lado del cliente (front-end) agrega una capa de seguridad a nuestro sistema, también es importante validar datos de un usuario en la parte del servidor (back-end). (back-end ). Ya que, como hemos visto en entradas anteriores, el código fuente puede ser
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CONCLUSION
Puedo concluir que en el desarrollo de este trabajo aprendimos más sobre El Framework de tipo front-end Lenguajes del lado del cliente muy importante para el aprendizaje y con esta información se está desarrollando el aplicativo
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BIBLIOGRAFIA